Author Question: The normal curve is a frequency distribution with A. most scores falling in the middle of the ... (Read 121 times)

crazycityslicker · **on:** Jun 20, 2018

The normal curve is a frequency distribution with

A. most scores falling in the middle of the curve.
B. most scores falling at the high end of the curve.
C. most scores falling at the low end of the curve.
D. an equal number of scores falling in the middle and at each end of the curve.

Question 2

The manual of a new test indicates that the test has a mean of 100 and a standard deviation of 15 . This means that

A. 68 of the scores will fall between 100 and 130.
B. a score 2 standard deviations below the mean would be 85.
C. a score 2 standard deviations below the mean would be 70.
D. 68 of the scores will fall between 70 and 130.