If you knew that scores were distributed normally and you wanted to find the number of people who scored between 150 and 175, you would need to know
A) the number in the population
B) the mean of the population
C) the standard deviation of the population
D) all of the other alternatives are correct.

Question

Quizplus · Accepted Answer

To find the number of people who scored between 150 and 175 in a normally distributed set of scores, you need to know the total number in the population to calculate the proportion within this range, the mean of the population to determine the center of the distribution, and the standard deviation of the population to understand how scores are spread around the mean.

If You Knew That Scores Were Distributed Normally and You