The Annual Dividend Rates for a Random Sample of 16

question 28

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:
The interval is [3.38, 8.18]. Based on the comparison between the mean annual dividend rate for
Companies in the utilities and insurance industries, _______________________.

• A) a confidence interval shows that the mean annual dividend rates are not significantly different
• B) the ANOVA results show that the mean annual dividend rates are significantly different
• C) a confidence interval shows that the mean annual dividend rates are significantly different
• D) the ANOVA results show that the mean annual dividend rates are not significantly different

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Definitions:

Intelligence Level

A measure of a person's cognitive abilities and potential.

Weakly Heritable

Refers to traits or characteristics that have a low genetic influence compared to environmental factors.

Heritability Estimates

Statistical measures that indicate what proportion of variation in a trait within a population can be attributed to genetic differences.

Heredity

The passing on of physical or mental characteristics genetically from one generation to another.