Data Set 7-5: Suppose you knew that a population had a mean of 150 and a standard deviation of 50.
-Look at Data Set 7-5. To use Table C in the back of your text, you must assume that
A) the population was a theoretical one
B) the population was normally distributed
C) the highest score possible is 300
D) all of the other alternatives are correct.

Question

Quizplus · Accepted Answer

To use Table C (typically a z-table or standard normal distribution table), the assumption that the population is normally distributed is necessary. This allows for the application of the empirical rule and z-score calculations, which are based on the normal distribution properties.

Data Set 7-5: Suppose You Knew That a Population Had