Exhibit 15-7

question 1

Multiple Choice

Exhibit 15-7.A manager at a local bank analyzed the relationship between monthly salary (y,in $) and length of service (x,measured in months) for 30 employees.She estimates .The following table summarizes a portion of the regression results: Refer to Exhibit 15-7.Using the 95% confidence interval,what is the conclusion to the following hypothesis test: ?

• A)At the 5% significance level,reject H₀ since the interval contains 0.
• B)At the 5% significance level,do not reject H₀ since the interval contains 0.
• C)At the 5% significance level,reject H₀ since the interval does not contain 0.
• D)At the 5% significance level,do not reject H₀ since the interval does not contain 0.

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Definitions:

Opposite Sex

Refers to the gender or sex that is different from one's own.

Attracted

The state of being drawn to or interested in something or someone, often due to qualities that are appealing or desirable.

Case Study Method

A research strategy that involves the in-depth study of a single individual or group to explore complex issues, patterns, and characteristics.

Childhood Development

The physical, cognitive, emotional, and social changes that occur from birth until the end of adolescence, as the individual progresses from dependency to increasing autonomy.