The Annual Dividend Rates for a Random Sample of 16

question 18

Multiple Choice

The annual dividend rates for a random sample of 16 companies in three different industries, utilities, banking, and insurance were recorded. The ANOVA comparing the mean annual dividend rate among three industries rejected the null hypothesis that the dividend rates were equal. The mean square error (MSE) was 3.36. The following table summarized the results: When comparing the mean annual dividend rate for companies in the utilities and insurance industries, which of the following 95% confidence interval can be constructed?

• A) 5.78 ± 2.160 * 2.40
• B) 5.78 ± 2.120 * 2.40
• C) 5.78 ± 2.160 * 1.11
• D) 5.78 ± 2.120 * 1.11

---

Definitions:

Daily Hassle

Routine challenges or minor irritations that occur as part of everyday life, often leading to stress.

Daily Hassle

Minor everyday stresses or frustrations that can accumulate and affect mental health and well-being.

Significant Life Change

Major events or transitions in an individual's life that necessitate adjustment, which can include changes in employment, relationship status, or health.

Epinephrine

A hormone and neurotransmitter also known as adrenaline, involved in regulating visceral functions (e.g., heart rate) and part of the body's fight-or-flight response.