The Researcher's Null Hypotheses Is H₀: σ² = 420

question 15

Multiple Choice

The researcher's null hypotheses is H₀: σ² = 420. A sample of n = 18 items yields a sample variance of s² = 512. The test statistic is:

• A)34.09
• B)20.72
• C)14.77
• D)must know α to answer.

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Definitions:

Financial Information

Data relating to the financial health, performance, and condition of an entity, including profits, losses, assets, and liabilities.

Common Size Percentages

Financial analysis tool that expresses each line item in a financial statement as a percentage of a base figure.

Cost of Goods Sold

Direct costs attributable to the production of the goods sold by a company, including materials and labor costs.

Current Ratio

A liquidity ratio that measures a company's ability to pay short-term obligations, calculated as current assets divided by current liabilities.