A Researcher Is Conducting a Matched-Pairs Study

question 16

Multiple Choice

A researcher is conducting a matched-pairs study.She gathers data on each pair in the study resulting in: Assume that the data are normally distributed in the population.The level of significance is selected to be 0.10.If the alternative hypothesis is that the average difference is greater than zero,the null hypothesis would be rejected if the observed value of t is ___.

• A)greater than 1.533
• B)less than -1.533
• C)greater than 2.132
• D)less than -2.132
• E)equal to 2.333

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Definitions:

Inventory Turnover

Measures how often a company sells and replaces its stock of goods within a period, reflecting inventory management efficiency.

Times Interest Earned Ratio

A financial metric assessing a company's ability to meet its debt obligations, calculated as earnings before interest and taxes divided by interest expense.

Acid-test Ratio

A liquidity ratio that measures a company’s ability to pay off its current liabilities with quick assets, excluding inventory.

Accounts Receivable Turnover

A financial ratio that measures the efficiency of a company in collecting its receivables or the credit it has extended to customers.