Exhibit 11-3

question 5

Multiple Choice

Exhibit 11-3.The following are the competing hypotheses and the relevant summary statistics. Sample 1: n₁ = 10 Sample 2: n₂ = 9
Refer to Exhibit 11-3.Which of the following statements is true with regard to the assumptions for conducting the hypothesis test?

• A)The samples are drawn from a nonnormal population.
• B)The samples are dependent and taken from a normal population.
• C)The difference of the sample variances is used to test the hypotheses.
• D)The samples are independent and taken from a normal population.

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Definitions:

Rapid Mood Swings

Sudden and often unpredictable changes in mood, which can be attributed to various psychological or physiological conditions.

Cognitive Development

The progression of thinking, problem-solving, and learning abilities throughout a person’s life, starting from infancy.

Out of Sight

An expression meaning something is not visible or not present in the immediate area, often implying it is forgotten or ignored.

Egocentric

Characterized by self-centeredness or viewing everything in relation to oneself, often without regard for others.