Two researchers select a sample from a population with a mean of 12.4 and a standard deviation of 9. Researcher A selects a sample of 30 participants. Researcher B selects a sample of 40 participants. Which sample is associated with a smaller standard error?

A. Researcher A’s, because the sample size was smaller.
B. Researcher B’s, because the sample size was smaller.
C. Researcher A’s, because the sample size was larger.
D. Researcher B’s, because the sample size was larger.


Ans: D

Education

You might also like to view...

The more movies that teens watch in which there is a lot of smoking, the more likely they themselves are to smoke.

Answer the following statement true (T) or false (F)

Education

Students who have difficulty maintaining appropriate behavior can be helped through:

A) Peer monitoring and support. B) Group contingencies. C) Verbalization. D) Modeling.

Education

Which is the most restrictive educational placement?

a. services in a hospital setting b. a special school located next door to a general education school c. a general education class placement with special education services on a pull-out basis d. a special class located in a general education school

Education

Provide at least three sources that may help a researcher identify possible research topics.

What will be an ideal response?

Education