TABLE 10-15 The Table Below Presents the Summary Statistics for the Starting

question 35

Multiple Choice

TABLE 10-15
The table below presents the summary statistics for the starting annual salaries (in thousands of dollars) for individuals entering the public accounting and financial planning professions.
Sample I (public accounting) : ₁ = 60.35, S₁ = 3.25, n₁ = 12
Sample II (financial planning) : ₂ = 58.20, S₂ = 2.48, n₂ = 14
Test whether the mean starting annual salaries for individuals entering the public accounting professions is higher than that of financial planning assuming that the two population variances are the same.
-Referring to Table 10-15, what assumptions are necessary for testing whether there is evidence of a difference in the variances to be valid?

• A) Both sampled populations are normally distributed.
• B) Both samples are random and independent.
• C) Neither A nor B is necessary.
• D) Both A and B are necessary.

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Definitions:

Territory Maintenance

Behavior exhibited by animals to mark and defend their territory from intrusion by others.

Energy Expended

The amount of energy used by the body in performing various activities, including basal metabolic processes and physical activity.

Reciprocal Altruism

A behavior in which an organism acts in a way that temporarily reduces its fitness while increasing another organism's fitness, with the expectation that this action will be reciprocated in the future.

Sparrow Song

The vocalization produced by sparrows, primarily used by males to attract mates and establish territory.