if the correlation between two variables is close to 0, you can conclude that a scatterplot would show

Answers

Answer 1

Scatterplots would show no straight‑line pattern, but there might be a strong pattern of another form.

The correlation coefficient between the values is close to 0, which means that there is no pattern of any form, hence, the scatterplot would show a cloud of points with no visible pattern

A scatter plot is a form of plot or mathematical diagram that uses Cartesian coordinates to display values for typically two variables for a collection of data. It is also known as a scatter graph, scatter chart, scattergram, or scatter diagram. One more variable can be shown if the points are color-, shape-, or size-coded. The data are represented as a set of points, where each point's position on the horizontal axis is determined by the value of one variable and its position on the vertical axis by the value of the other variable.

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Related Questions

Colleen took out a $48,000 student loan with a fixed interest rate to pay for college. Colleen did not make payments on her loan for a period of 7 years. After this time period interest had accrued, resulting in the loan balance increasing to $78,000. a. What is is the 7-year growth factor for the amount that Colleen owes on the loan? Preview b. What is the 7-year percent change for the amount that Colleen owes on the loan? % Preview c. What is is the 1-year growth factor for the amount that Colleen owes on the loan? Preview d. What is the 1-year percent change for the amount that Colleen owes on the loan? % Preview Submit

Answers

a)The 7-year growth factor for the amount on the loan is $4285.71.

b)  7-year percentage change for the amount is 6.25%.

c) 1-year growth factor for the amount $612.244.

d) 1-year percent change for the amount is 0.894%.

a)We know very well that growth factor is ratio of difference of principal amount and loan amount to the time taken, or

Growth factor=(Final loan amount-Initial loan amount)/Total time

=>Growth factor=(78,000-48,000)/7

=>Growth factor=30,000/7=$4285.71

b)To find the percentage change in amount, we need to use initial loan amount and the difference between two amounts, or

  percentage change=((78000-48000)/48000)×100

=>percentage change=[(30000)/48000)]×100

=>percentage change=300/48=6.25%

c)Now, we have already find the growth factor for 7 years, we need to find growth rate in 1 year. So, we use unitary method to find it

=>In 7 years growth factor is=$4285.71

   ∴In 1 years growth factor is=$4285.71/7=$612.244

d)In 7 years percentage change for the given amount is =6.25%

∴In 1 year percentage change for the given amount=6.25/7=0.894%

Hence, answers are a)$4285.71 b)6.25% c)$612.244 d)0.894%

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Work out the length of ab a=-1.6 b=5.3 give your answer

Answers

Answer: 6.708

Step-by-step explanation:

a(-1,6)

 b(5,3)

 ab =( (-1-5)^2+(6-3)^2)^(1/2)

ab=(36+9)^(1/2)

ab=6.708

In exercises 4 and 6 tell whether the ordered pair is a solution to the linear inequalities.
Just Question 4 and 6.

Answers

Answer:

3

Step-by-step explanation:

if you look at the graph, you can see that the line intercepts where the points are

a worn, poorly set-up machine is observed to produce components whose length x follows a normal distribution with mean 14 centimeters and standard deviation 3 centimeters. find the probability that the length of a component lies between 19 and 21 centimeters. round your answer to four decimal places.

Answers

The probability that the length of a component lies between 19 and 21 centimeters is 0.0376.

What is probability?

The area of mathematics known as probability deals with numerical representations of the likelihood that an event will occur or that a statement is true. An event's probability is a number between 0 and 1, where, roughly speaking, 0 denotes the event's impossibility and 1 denotes certainty.

Given:

Population mean, µ = 14

Population standard deviation, σ = 3

Probability that the length of a component lies between 19 and 21 centimeters

= P(19 <  X  < 21)

= P( (19 - 14) / 3 < (X - µ) / σ < (21 - 14) / 3)

= P(1.67 < z < 2.33)

= P(z < 2.33) - P(z < 1.67)

Using excel function:

= NORM.S.DIST(2.33,1) - NORM.S.DIST(1.67,1)

= 0.9901 - 0.9525

= 0.0376

Hence, the probability that the length of a component lies between 19 and 21 centimeters is 0.0376.

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Multiple Choice
1. Write the following ratio in simplest form: 32 min:36 min
08:9
08:36
032:9
128:144

Answers

The following ratio is the simplest form of 32 min: 36 min is 8: 9. The correct option is a.

What is the simplest ratio in maths?

If two quantities of a ratio (i.e., antecedent and consequent) have no common factor (i.e., antecedent and consequent are co-prime), the ratio is said to be in its simplest form or in the lowest term.

The simplest form of the fraction is also known as the reduced form of a fraction. For instance, 34 is the simplest form of a fraction with a common component of one.

32/36 = 8:9. It is divided by 2.

Therefore, the correct option is a. 8:9.

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Answer:

The answer is D

Step-by-step explanation:

I hope it helps!

HELP ASAP! Linear function k has a zero at 3 and a y-intercept of 9. Which graph best represents k?

Answers

The top left graph best represents k.

1. Explain what a polygon is and how it is classified. Give more than one example to justify your answer.
2. What is a one-hundred sided polygon called? Why?
3. Tell whether the following is or is not a polygon and justify your answer:

Answers

Answer:

1. Polygons are flat figures formed by a closed polygonal line and its interior. Any plane figure that is made up of “straight sides” is a polygon.

2.A 100-sided polygon is called a hectogon, centagon or 100-gon. In general, any n-sided polygon with over 12 sides is called an n-gon. While there are other conventions for naming polygons with any number of sides, it is most common to use the n-gon form.

Step-by-step explanation:

what would happen to the width of a confidence interval if the size of the population being sampled was doubled, from 25 million to 50 million?

Answers

50 million people instead of 25 million people make up the population. The degree of assurance is reduced from 95% to 90%.

What is confidence interval?

A confidence interval in frequentist statistics is a range of estimates for an unknown parameter. A confidence interval is calculated at a specified degree of confidence; the most popular level is 95%, but other levels, such 90% or 99%, are occasionally used.

Because the standard error is reduced as sample size increases, confidence intervals are narrower.

Therefore, we may state that when the population standard deviation rises, the width of the confidence interval will also rise.

Hence, 50 million people instead of 25 million people make up the population. The degree of assurance is reduced from 95% to 90%.

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Augusto wants to prove to his parents that watching TV while he does his homework will help him get better grades. He decides to ask 20 of his friends if they watch while they do their
homework and what their grades are. He finds that his friends who have high grades also watch TV while they do their homework. He tells his parents that he has proven that watching TV
while doing homework will cause his grades to improve. What mistake has Augusto made? (6 points)
© He did not use a random sample, and he tried to show cause and effect with an observational study.
O He did not use random sample, and he tried to show cause and effect with an experiment.
© He did not separate his friends into different groups, and he didn't apply a treatment.
© He did not separate his friends into different groups, and he used survey to collect data.

Answers

Answer:

A. He did not use a random sample, and he tried to show cause and effect with an observational study

Hope this helps! : D

Step-by-step explanation:

8.

(08.05 MC)

Augusto wants to prove to his parents that watching TV while he does his homework will help him get better grades. He decides to ask 20 of his friends if they watch TV while they do their homework and what their grades are. He finds that his friends who have high grades also watch TV while they do their homework. He tells his parents that he has proven that watching TV while doing homework will cause his grades to improve. What mistake has Augusto made? (6 points)

find the equation of the line that contains the point (1,-1) and is perpendicular to the line x=4 write the line in slope intercept form

Answers

If you take 4=x you can divide it by negative two and find it

Let A be the set of all statement forms in the three variables p, q, and r, and let R be the relation defined on A as follows.For all S and T in A, S R T ⇔ S and T have the same truth table.Prove that R is an equivalence relation. Show that it satisfies all the properties you selected in part (a), and submit your proof as a free response.

Answers

We have proved the statement that S≅W by 3 properties reflexive property, symmetric property, and transitive property.

Given that,

Let R be the relation defined on A as follows, and let A be the set of all statement forms in the three variables p, q, and r. S R T⇔ S and T have the same truth table for all S and T in A. substantiate the equivalence of R.

We have to demonstrate that it satisfies each of the properties you choose.

We know that,

By reflexive property,

S ≅ S  means that S has the same truth table as S.

T≅ T denotes that T and T have the same truth table.

By symmetric property,

S ≅T denotes that S and T share the same truth table.

At that time, T and S share the same truth table.

So, T ≅ S

By transitive property,

S≅T and T≅V and V≅W

S shares a truth table with S. Truth table between T and T W's truth table is the same for V and V.

S, T, V, and W all have the same truth table as a result.

S specifically has the same truth table as W.

Then S≅T≅V≅W ---> S≅W

Therefore, We have proved the statement that S≅W by 3 properties reflexive property, symmetric property, and transitive property.

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Which of the following constructions can be accomplished with paper
folding?
Check all that apply.
A. Drawing a line through a given point parallel to a given line
B. Drawing a perpendicular line segment from a given point to a
given segment
C. Finding the midpoint of a segment
D. Drawing a perpendicular line segment through a given point on a
given segment

Answers

B ,C and D

Drawing a perpendicular line segment from a given point to a given segment

Finding a midpoint of a segment

Drawing a perpendicular line segment through a given point to a given segment

The steps are given in option B and option C are used in paper folding.

What is Paper Folding?

When we simply fold the paper in such a manner that we can achieve our objectives, the method is called Paper Folding.

Now, WE get;

Option A can not be accomplished as we need the proper equipment to construct the circle.

Option B can be done by folding the paper along the point.

Option C can be done by folding the paper in the exact half measure.

Option D can not be done.

Hence, the steps are given in option B and option C are used in paper folding.

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which needs to occur on a consistent basis and at regular intervals to determine whether execuatin of goals

Answers

Exercise needs to be consistent and done at regular times. The body can adjust more effectively and swiftly when there is consistency. Exercise should ideally be performed 3-5 times per week.

What is Exercise ?

Exercise is any physical activity done to increase one's physical or mental fitness.

Exercise and physical activity not only aid to enhance physical health but also help to promote mental health.

A healthy mind follows from a healthy body.

By lowering body weight, frequent physical activity lowers the risk of developing serious conditions like heart attack, cardiovascular disease, diabetes, and high blood pressure. Regular exercise revitalizes the body and the mind.

Additionally, it raises energy levels, mood, and sleep quality.

Hence, Exercise must be performed consistently and at regular intervals. When there is consistency, the body can adjust more quickly and efficiently. The ideal number of times to exercise per week is three to five.

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How many baseballs are in the next picture in this pattern?
A. 64
B. 30
C. 32
D. 24
E. 25

Answers

The answer is 32 because it’s being doubled so 16 times 2 is 32.

all problems concern the following wheel, which we shall call q. 1 4 16 64 (a) estimate the probabilities of the outcomes of q. (b) estimate the expected value of q. (c)

Answers

Probabilities of Q are 1,4, 16, 64 are 312 2 8181818 , E(Q)=20.88 and 12.5% information revealed. Wheel is spin twice 0.2815.

When we are not sure about the outcome we can make possible probabilities about the situation. Therefore, it is the maximum and possible chances of something to be happen.

Step 1

Angle of one complete spin = 360°

Q=16=90° Q=6490"

Q=4-450

Q=1=135°

Here

P(Q16) = P(Q= 64)

=90/36

=1/4

Step 2

Expected value E(Q) = xP(x) E(Q) = 1x+4x+16x+64 x2/8

Step 3

c)

We learn Q=4

P(Q=4)=1/8=0.125

12.5 %  information is revealed.

Please refer to solution in this step.

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a researcher developing a regression equation to predict income (y) in thousands of dollars from age (x1) and educational status (x2) found a significant interaction between age and educational status (x3). educational status is a dummy variable with 0

Answers

A substantial interaction between age and educational status was discovered by a researcher who was creating a regression equation to predict income (y) in thousands of dollars from age (x1) and educational status (x2) (x3)

A dummy variable, educational status has the values 0 for no college degree and 1 for a college degree.

The regression formula is y = 0 + 1x1 + 2x2 + 3x1x2 where 0 is the intercept, 1 is the age regression coefficient, 2 is the educational status regression coefficient, and 3 is the regression coefficient for the interaction between age and educational status.

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Which logarithmic equation is equivalent to 32 = 9?

Answers

The equivalent equation to the given logarithm is log₃9=2.

Define the term logarithmic equation?An equation using the logarithm of just an expression involving a variable is referred to as a logarithmic equation. Check to verify if you can write two aspects of the equation as powers of a similar number before attempting to solve an exponential equation.

A log function can be used to determine how much a given number must always be raised to reach the desired result.

aˣ = b

This can be written as;

logₐ b = c

Where an is the starting point from which the power will be raised,When power is increased, we want b to be the appropriate number,To obtain b, c must be increased to a power.

For the expression;

3² = 9

Given what we know about just the logarithm, the following is how we can represent the given equation:

3² = 9

log₃9 = 2

Consequently, the equivalent equation of 3² = 9 could be expressed as log₃9=2.

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The correct question is-

Which logarithmic equation is equivalent to 3^2 = 9?

Suppose that y varies directly with x, and y= 8 when x = 2. find y when x is -5

Answers

The required value of y is -20, when x is -5.

What is an algebraic expression?

An algebraic expression is consists of variables, numbers with various mathematical operations,

The given that,

y varies directly with x,

implies that,

y = k x     (1)

Substitute the values x = 2 and y = 8,

8 = k x 2

k = 4

Substitute x = -5 and k = 4, to find the values of y,

y = -5 x 4

y = -20

The value of y is -20, when x is -5.

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a runner competed in a 5 mile run. how many yards did she run (1 mile =1760 yards)

Answers

Answer:8,800

Step-by-step explanation:

1760 times 5 = 8,800

One of the same side interior angles of two parallel lines is 20* less than the other same side interior angle. Find the measures of the two angles

Answers

The measure of both the angles will be x = 80° and y = 100°.

What is Parallelogram? What are parallel lines?

In Euclidean geometry, a parallelogram is a simple quadrilateral with two pairs of parallel sides. The opposite or facing sides of a parallelogram are of equal length and the opposite angles of a parallelogram are of equal measure. Two lines are said to be parallel if they have same slope. These lines never intersect each other and have no common point of intersection.

Given is the same side interior angles of two parallel lines is 20° less than the other same side interior angles.

Same side interior angles are supplementary, we can write -

x + x + 20 = 180

2x = 160

x = 80°

Other angle will be -

y = x + 20 = 100°

y = 100°

Therefore, the measure of both the angles will be x = 80° and y = 100°.

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What is the equation of the line that passes through (0, 3) and is perpendicular to y = 3/4x + 5?

Answers

Answer:

3/4x + 3

Step-by-step explanation:

they both need to have the same gradient but different y intercepts and in this case the y intercept is 3

The equation of line passing through the point P ( 0 , 3 ) is given by

y = ( -4/3 )x + 3

What is an Equation of a line?

The equation of a line is expressed as y = mx + b where m is the slope and b is the y-intercept

And y - y₁ = m ( x - x₁ )

y = y-coordinate of second point

y₁ = y-coordinate of point one

m = slope

x = x-coordinate of second point

x₁ = x-coordinate of point one

The slope m = ( y₂ - y₁ ) / ( x₂ - x₁ )

Given data ,

Let the equation of line be represented as A

Now , the value of A is

Let the first point be P ( 0 , 3 )

Now , the slope of the line is m = ( y₂ - y₁ ) / ( x₂ - x₁ )

The slope of the line we want to find will be the negative reciprocal of this slope, which is -4/3

Slope m = -4/3

Now , the equation of line is y - y₁ = m ( x - x₁ )

y - 3 = ( -4/3 ) ( x - 0 )

Adding 3 on both sides , we get

y = ( -4/3 )x + 3

Hence , the equation of line is y = ( -4/3 )x + 3

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Jakobe earns a bi-weekly mean gross pay of $1,592. 0. What percent of his total salary will he pay if his student loan payments are $130. 00 per month for 180 months? round to the nearest tenth. (4 points) 3. 9% 3. 8% 3. 6% 3. 7%

Answers

Answer:

Step-by-step explanation:

A new movie streaming service opens and it charges a $9 sign up fee. Streaming 10 movies costs a total of $14, including the sign up fee.

Answers

Answer:

33 I guess I don't really know

Answer: ok expensive

Step-by-step explanation:

#10 i need help with my math

Answers

Answer: √6 -8√5

or 15.43905

Step-by-step explanation:

problem 3.7. suppose integer polynomials p and q satisfy that p ( x)/ q ( x ) is an integer for infinitely many integer inputs x. does it follow that q ( x ) divides p ( x ) ?

Answers

Integer polynomials p and q fulfill that for an unlimited number of inputs of integers x, p (x)/q (x) is an integer. q (x) does not necessarily divide p. (x)

Sums of terms of the form k^xn, where k is any number and n is a positive integer, make up polynomials. For instance, the polynomial 3x+2x-5. a description of polynomials.This section covers the ideas of degree, standard form, monomial, binomial, and trinomial.

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A survey of all beings on planet Boondin found that 75% preferred alaber juice to all other juices. If 12 beings were surveyed altogether, how many of them preferred alaber juice?

Answers

The number of people who preferred alaber juice is 9 people

How many of them preferred alaber juice?

A percentage is a value or ratio that may be stated as a fraction of 100. If we need to calculate a percentage of a number, we should divide it's entirety and then multiply it by 100.

In this case, the survey of all beings on planet Boondin found that 75% preferred alaber juice to all other juices. If 12 beings were surveyed altogether

Those who preferred alaber juice will be:

= 75% × 12

= 0.75 × 12

= 9

The number of people is 9.

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A bake sale committee wants to raise $189 for a donation to a local charity. They set aside $14 of their profit at the end of each day. How many days will it take them to raise enough money for the whole donation?

Answers

Answer:

Step-by-step explanation:

14x=189 (x represents the number of days)

189 divided by 14 = 13.5

Answer or X: Approximately = 14 days


-2m + 11m + m + 11 = -19

Answers

Answer:

m= -3

Step-by-step explanation:

-2m+11m+m+11= -19

9m+m+11=-19

10m+11=-19

      -11.  -11

10m=-30

/10.  /10

m= -3

Hopes this helps please mark brainliest

Answer:

hop this helps

Step-by-step explanation:

you should use the step by step calculator Symbolab

does anyone know?? please help ​

Answers

Check the picture below.

Find f (5)
quick can someone answer meee

Answers

Answer:

f (5) = 4

Step-by-step explanation:

First we need to find f(x)

To do this we can find the gradient of the line then plug it into the formula for an equation of a line.

using the points on the line, (3,0) (0,-6)

gradient, m :

[tex] \frac{y1 - y2}{x1 - x2} [/tex]

[tex] \frac{0 - ( - 6)}{3 - 0} = \frac{6}{3} = 2[/tex]

therefore the gradient was found to be 2.

Equation of a line:

y - y1 = m( x - x1)

y - 0 = 2( x - 3)

y = 2x - 6

Therefore the function of the line was found to be:

f(x) = 2x -6

so to find f(5) we substitute 5 in the place of x:

f(5) = 2(5) - 6

f(5) = 10 - 6

f(5) = 4

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