Author Question: A study about the college aptitude of seniors at North City High School has resulted in a sample ... (Read 67 times)

Kikoku · **on:** Jun 20, 2018

A study about the college aptitude of seniors at North City High School has resulted in a sample mean with a corresponding z-score of 2.00 . If the critical value for the region of rejection is what is the correct conclusion?

a. Since the z-value falls within the region of rejection, we should conclude this sample mean likely represents some other population.
b. Since the z-value does not fall within the region of rejection, we should not conclude this sample mean represents some other population.
c. Since the z-value falls within the region of rejection, we should not conclude this sample mean represents some other population.
d. Since the z-value does not fall within the region of rejection, we should conclude this sample mean likely represents some other population.

Question 2

What can you conclude about a sample mean falling within the region of rejection?

a. The sample probably represents some population other than the one on which the sampling distribution was based.
b. The sample represents the population on which the sampling distribution was based.
c. Another sample needs to be collected.
d. The sample should have come from the given population.