SAT College

The effect of the time of day a class is taught on test scores is being studied in
an experiment. Student ability has been identified as an extraneous factor that
could also affect test scores.
How can student ability best be addressed to minimize its effect in the
experiment?
O A. Direct control of what textbook is used
O B. Blocking into groups based on the teacher of the class
O C. Randomization of students in morning and afternoon classes
O D. Replication of the experiment at different times of the year

Answers

Answer 1

Answer:

C.

Explanation:

The only way to minimize this effect would be through randomization of students in morning and afternoon classes. Doing so apply the factor of skill from an individual student to either time of day class greatly lessens the overall effect that it has on the results. This therefore, minimizes the effect it has on the experiment itself, since the same students that have been studying in a certain time of day would be randomized and not have the same environment that they are used to.

Related Questions

The mantle makes up ____ % of the Earth

Answers

Answer: 84%

Explanation:

Statistics and probability

Answers

Answer:

Probability And Statistics are the two important concepts in Maths. Probability is all about chance. Whereas statistics is more about how we handle various data using different techniques. It helps to represent complicated data in a very easy and understandable way.

Your well wisher

why do we wash our shower towels if we are clean when we get out of the shower and the towel is clean and we are clean....

Answers

We have to wash simply for the higiene, with time the towels will get dirty, sometimes we’ll have a day when we’ll be very dirty and not all the dirty will go out of our bodies, so with that the towels with time will be getting super dirty, we don’t need to wash everyday, but doing that after a couple days is nice.

guhs tahank u smuch for helpn me with siiting glass i gat so mhych trooble doign htat but now m teacher mr dwenble is pis.sed bc i used brasnby and isi makin me do mor work so can ju al hekp me witc my test rn i nede hlp its bage sevendy ate:

Caac radium-226, a common caac isotope of radium, has a caac half-life of 1,620 caac years.
How many caac grams of a 120-caac gram sample will remain after t caac years?

Which equation can you use to solve this problem?

After 100 years, about

grams of the sample will remain.



also here my teachr:

Answers

Answer:

C

115

Explanation:

I am SURE I am correct in this please inform me if I make a mistake but I only answer when I’m SURE UNLIKE SOME PEOPLE DAG.

Answer:

C, P(t)=120(1/2)^t/1620

The answer for the follow-up question is 115.

Explanation:

After 100 years, about  ✔ 115  grams of the sample will remain. This is the answer. The equation is P(t)=120(1/2)^t/1620.

Remember, stay afriv.

Image for support on your work below

It is acceptable to not finish all of a difficult chapter as long as you ask a teacher about it later.

Т
F

Answers

Answer:

F

Explanation:

my teacher would slap me and give me a 0

Which of the following is a reason for needing to acquire a 1040x form?
A.
to request additional withholding from paychecks
B.
to increase the number of allowances claimed
C.
to report income from interest
D
to correct a bank routing number on a tax return

Answers

Answer:

D. to correct a bank routing number on a tax return

Explanation:

An IRS Form 1040-X is a form that is filled by citizens of a country who wish to make some changes in their tax return.

Therefore, from the given option, the following reason for needing an 1040x form is to correct a bank routing number on a tax return

Your lab partner is trying to figure out a way to decrease the standard error of the mean when planning a t-test for his/her experiment. One way that will most likely accomplish this is:

a) decrease sample size
b) increase sample size
c) increase variability in the sample

Answers

a) decrease sample size
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