What measure must be calculated before you can find the standard deviation?
a. mean
b. mode
c. median
d. percentile score
Question 2
Much of the time, people's scores fall into a normal distribution. What does this mean?
a. Most people's scores are identical because people share so many of the same qualities.
b. Men score on the higher end of the scale, and women score on the lower end.
c. Most people score in the middle and fewer score at the extremes.
d. Most people score at the two extremes of the scale.
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