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:

Operant Conditioning

A learning method that occurs through rewards and punishments for behavior, aimed at influencing voluntary actions.

Socially Withdrawn

A tendency to pull away from social interactions or situations, often due to discomfort, shyness, or personal preference.

Temper Tantrum

An emotional outburst, typically in children, characterized by yelling, crying, or physical expressions of frustration.

Cognitive Therapists

Specialists in psychology who focus on modifying dysfunctional emotions, behaviors, and thoughts through a goal-oriented, systematic approach.