A Researcher Is Interested in Comparing the Self-Esteem of Students

question 13

Essay

A researcher is interested in comparing the self-esteem of students who volunteer for community service versus those who do not. The researcher assumes that those who complete community service will have higher self-esteem scores. Self-esteem scores tend to be skewed (not normally distributed). The self-esteem scores appear below. Higher scores indicate higher self-esteem levels.
No Community Service Community Service

a) What statistical test should be used to analyze these data?
b) Identify H0 and Ha for this study.
c) Conduct the appropriate analysis.
d) Should H0 be rejected? What should the researcher conclude?

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Definitions:

Corporation Income Statement

A financial statement that outlines the revenues, expenses, and profits or losses of a corporation over a specific period of time.

Cash Dividend Liability

An obligation for a corporation to pay shareholders a declared dividend in cash.

Date of Record

The specific date set by a corporation upon which the company determines the shareholders eligible to receive a dividend or distribution.

Income Tax Expense

The cost of income taxes a company must pay, reported in the income statement as part of its expenses.