Author Question: Crystal received her SAT score from her counselor. She scored two standard deviations above the ... (Read 109 times)

audragclark · **on:** Jun 19, 2018

Crystal received her SAT score from her counselor. She scored two standard deviations above the mean. What does this indicate about Crystal's score?

a. It was higher than 97.5 percent of the other scores.
b. It was only higher than 84 percent of the other scores.
c. It was only higher than 68 percent of the other scores.
d. There is insufficient information to answer this question.

Question 2

Which of the following is a characteristic of a normal distribution?

a. The mean and the standard deviation are equal.
b. The standard deviation and the variance are equal.
c. Fifty percent of the sample is within one standard deviation of the mean.
d. The mean, median, and mode are equal.