Perform the Required Chi-Square Hypothesis Test

question 39

Essay

Perform the required chi-square hypothesis test. Preliminary data analyses and other information indicate that it isreasonable to assume that the variable under consideration is normally distributed. Use the critical-value approach or theP-value approach as indicated.
-With individual lines at the checkouts, a store manager finds that the standard deviation for the waiting times on Monday mornings is 5.2 minutes. After switching to a single waiting line, he finds that for a random sample of 29 customers, the waiting times have a standard deviation of 4.6 minutes. Use a 0.025 significance level to test whether the standard deviation of the waiting times using a single line is less than 5.2 minutes. Use the critical-value approach.

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Definitions:

Human Resources

The department within an organization responsible for managing all issues related to the employees, including recruitment, training, development, and compensation.

HR Programs

The range of services, policies, and programs designed and executed by the human resources department of an organization to attract, develop, and retain a competent and engaged workforce.

Stakeholder Groups

Collectives of individuals or organizations with an interest or stake in the outcome of a particular project, decision, or endeavor.

Shareholder Wealth

The total value of an investment in a firm as measured by the stock price and dividends, reflecting the financial health and performance of the company.