A Marketing Firm Asked a Random Set of Married Women $\alpha = 0.05$

question 15

Multiple Choice

A marketing firm asked a random set of married women and married men how much they were willing to spend for jewelry as a present for their spouse. Can the firm conclude, at $\alpha = 0.05$ , that the two groups have a different willingness to spend?
$\begin{array}{lcc}\hline & \text { Women } & \text { Men } \\\hline \text { Sample size } & 9 & 16 \\\text { Sample mean } & \$ 160 & \$ 205 \\\text { Sample standard deviation } & \$ 34 & \$ 38\end{array}$

• A) No, because the test value \(- 0.21\) is inside the noncritical region \(- 2.262 < t < 2.262\)
• B) Yes, because the test value \(- 3.04\) is outside the noncritical region \(- 2.306 < t <\)
• C) No, because the test value \(- 1.12\) is outside the noncritical region \(- 2.306 < t < 2.306\)
• D) Yes, because the test value \(- 1.12\) is inside the noncritical region \(- 2.262 < t < 2.262\)

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Definitions:

Sexual Orientation

Sexual orientation is an enduring pattern of emotional, romantic, or sexual attractions to men, women, or both sexes, and is a part of a person's identity.

Hormonal Secretions

The release of hormones into the bloodstream by glands, key to regulating bodily functions and processes.

Neural Abnormalities

Deviations or irregularities in the structure or function of the nervous system.

Achievement Motive

The internal drive or need for achievement that propels individuals to strive for success, achieve goals, and tackle challenging tasks.