Exhibit 9-2

question 5

Multiple Choice

Exhibit 9-2.The owner of a large car dealership believes that the financial crisis decreased the number of customers visiting her dealership.The dealership has historically had 800 customers per day.The owner takes a sample of 100 days and finds the average number of customers visiting the dealership per day was 750.Assume that the population standard deviation is 350. Refer to Exhibit 9-2.At a 5% significance level,the critical value(s) is (are) ___________.

• A)1.645
• B)-1.645
• C)-1.96 and 1.96
• D)-2.030 and 2.030

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Definitions:

Reciting

Reciting involves verbally repeating something from memory, often to practice or demonstrate knowledge.

Numbers List

refers to a sequential arrangement of numbers, typically used for organization, reference, or computational purposes.

Nonsense Syllables

A set of sounds with no assigned meaning, used in psychological experiments to study memory and learning.

Interference

A phenomenon where one memory competes with or replaces another memory, often observed in learning and recall processes.