A Random Sample of 16 Companies Was Selected and Asked $\pm$

question 70

Multiple Choice

A random sample of 16 companies was selected and asked for their annual dividend rate in three different industries: utilities,banking,and insurance.The ANOVA comparing the mean annual dividend rate among three industries rejected the null hypothesis.The Mean Square Error (MSE) was 3.36.The following table summarized the results: When comparing the mean annual dividend for companies in the utilities and insurance industries,the following 95% confidence interval can be constructed:

• A)5.78 \(\pm\)2.160 * 2.40
• B)5.78 \(\pm\) 2.120 * 2.40
• C)5.78\(\pm\) 2.160 * 1.11
• D)5.78\(\pm\) 2.120 * 1.11

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Definitions:

Labor relations system

The framework of laws, practices, and relationships between employers, employees, and unions that governs workplace dynamics and negotiations.

Competitive pressures

The dynamic forces within a market that cause organizations to compete more rigorously for customers, resources, and market share, often driving innovation and efficiency improvements.

Globalization

The process by which businesses or other organizations develop international influence or start operating on an international scale.

Workplace-level employee representation

The practice of having employees represented by fellow workers or a union at the level of their individual workplace to negotiate conditions and address concerns.