Exhibit 9-7 A Random Sample of 16 Statistics Examinations from a Large

question 44

Multiple Choice

Exhibit 9-7
A random sample of 16 statistics examinations from a large population was taken. The average score in the sample was 78.6 with a variance of 64. We are interested in determining whether the average grade of the population is significantly more than 75. Assume the distribution of the population of grades is normal.
-Refer to Exhibit 9-7. The p-value is between

• A).005 to .01
• B).01 to .025
• C).025 to .05
• D).05 to 0.1

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Definitions:

Activity Level

A term in developmental psychology referring to the overall energy and frequency of behaviors displayed by an individual.

Adaptability

The capacity to adjust to changing conditions or environments, demonstrating flexibility and resilience.

Slow-To-Warm-Up

A temperament where individuals are hesitant in new situations but become more comfortable over time.

Temperament

An individual's innate disposition or personality, often observable from early childhood and influencing behavior and emotional reactions.