Author Question: If behavior problem scores are roughly normally distributed in the population, a sample of behavior ... (Read 127 times)

bucstennis@aim.com · **on:** Jun 20, 2018

If behavior problem scores are roughly normally distributed in the population, a sample of behavior problem scores will

a. be normally distributed with any size sample.
b. more closely resemble a normal distribution as the sample size increases.
c. have a mean of 0 and a standard deviation of 1.
d. be negatively skewed.

Question 2

Which of the following is a good reason to convert data to z scores?

a. We want to be able to estimate probabilities or proportions easily.
b. We think that it is easier for people to work with round numbers.
c. We want to make a skewed set of data into a normally distributed set of data.
d. all of the above