The table shows the number of hours spent practicing singing each week in three samples of 10 randomly selected chorus members.

Which statement is most accurate based on the data?

A). A prediction based on the data is reliable because the means of

the samples are close together.

B). A prediction based on the data is reliable because each sample

has 10 data points.

C). A prediction based on the data is not completely reliable, because

the means are not the same.

D.) A prediction based on the data is not completely reliable, because

the means of samples 1 and 2 are greater than 9 and the mean of

sample 3 is less than 9.

Answer:

The real answer is 6

Step-by-step explanation:

Fairly simple. You know the length and the area, but you don't know the width. So your equation looks like this: 30 x ? = 180. But to figure out the width, you change the position of the numbers in the equation like this:

180 ÷ 30 = ?. Then you solve. 180 ÷ 30 = 6. If you want to double check your answer, you can plug in your answer to your original equation, 30 x 6 = 180.

Hope this helps!

Answer:

C. 120 is correct

Step-by-step explanation:

I used a triangular prism calculator.

Answer: B.) exactly 25

Step-by-step explanation:

if you repeat 300 times then 300 / 12 is 25.

it is a forsure 25 times so exactly 25 should  be correct

Answer:

-2 < -1 1/2 < 1/2 < 1 1/2

This may be correct, we are learning the same thing in our own classes!

Answer:

X        Y

1         25

3        17

4        13

6        5

Step-by-step explanation:

All we need to do is substitute the x values into the equation and we will find the y values!

Answer:

It's y-values increase at a constant rate as it's x value increases

Step-by-step explanation:

Answer:

what exactly do you mean by that?

Step-by-step explanation:

**i promise to go back and provide a real answer** (ﾉ◕ヮ◕)ﾉ*:･ﾟ✧

Answer:model y = 720,500(1.022)^ , where x is the number of years ... starting value growth ratio b) What would the population be in 2000 if the growth continues at the same ... 3) A population of beetles is growing each month at a rate of 5%.

Answer:

proportional relationship

Step-by-step explanation:

its proportional because it crosses through the axis :3

Answer:

the secound one

Step-by-step explanation:

Answer:

x<7

Step-by-step explanation:

Open dot-means that number 7 is not included and the arrow is facing the left side so, x has to be less than 7.

Answer:

b,d, and e

Step-by-step explanation:

because if you think about it, it can only hold 2:3 as a ratio. so if you do the first one as 2 then the second on would have to be 1 greater than the first number.

Answer:

a) adding two circles on the left and a square on the right.

Step-by-step explanation:

on the right, there is a square and a triangle

on the left, there are two circles and a triangle

both sides have a triangle so you don't need to worry about that

to balance the hanger, add what is missing:

the left is missing two circles

the right is missing a square

therefore, add 2 cicles to the left and a square to the right

I think the answer is 100%

Price in the sale:

15% of $420 is $63.

After the sale:

Price went up again by 15%, making it $420 again.

Answer:

100%? It is 100% of its original price because it is the same

Answer:

100%

Step-by-step explanation:

trust

Answer:

0.2

Step-by-step explanation:

Answer:

Step-by-step explanation:

Simply divide the numerator by the denominator.

Answer:

The 1st, 2nd, and 3rd are correct.

Step-by-step explanation:

The dimensions are in fact 3*2*2 1/2. If you count it up, that is correct.

The volume is 15 cubic inches. The answer to 3*2*2 1/2 is 15.

The third is given. If you double the size of each unit, you double the size of the prism.

Hope that this helps!

Answer:

Males:

10.4% have green eyes.

33.3% have blue eyes.

56.3% have brown eyes.

Females:

7.5% have green eyes.

47.5% have blue eyes.

45% have brown eyes.

Explanation:

To find each percentage, we have to count up the amount of people for each gender.  When we have the males, we add them up and we get 48 males.  Now lets take green eyes and divide it by 48, since 5 ÷ 48 0.1041666666666667, we now multiply that number by 100 and we get 10.41666666666667.  Now round that number to the nearest ten and we get %10.4.  Now you know the formula, I hope you understand it. :)

Answer:

Y means profits and x is the number sold.

Step-by-step explanation:

(2$ times x) - 7=y.

Answer:

($2 times x) - 7=y.

Step-by-step explanation:

Answer:   The answer is 60, 45, 20, then 5.

Step-by-step explanation:

The variance would increase the bigger the numberr because there is more data. Lets says that the 5 women have a range of 1 and 10 with a meam with a 5. The data separating the mean and the top range is 5. But lets says that the range for the women is 1 and 80, with a mean of 40. The difference in the mean and the top range is 40. 40>5 because there is simply more data. Therefore higher variance.

Answer:

11

Step-by-step explanation:

44 divided by 4=11

55 divided by 5=11

I am an expert

Answer:

i think its 11 if its worng i tried my best

Step-by-step explanation:

it has to be

The statement 'sixty-five hundredths' in the numerical decimal form will be 0.65.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The decimal number is the combination of an integer number and part of a rational number. The rational number is greater than zero but less than one.

And we know that the ration part is also known as the decimal part.

The statement 'sixty-five hundredths' in decimal form is written as,

⇒ 0.65

The statement 'sixty-five hundredths' in the numerical decimal form will be 0.65.

More about the Algebra link is given below.

https://brainly.com/question/953809

#SPJ6

Answer:

Box A's volume is bigger by 864 cubic inches

Step-by-step explanation:

12 × 18 × 24 = 5184

12 × 12 × 30 = 4320

Then we subtract. 5184 - 4320 = 864

Answer: y = 90   x = 29

Step-by-step explanation:

Answer:

I think b is the answer hopefilly