Choose the Appropriate Test for the Following Situation

question 22

Multiple Choice

Choose the appropriate test for the following situation. A company has instituted a new work policy that it hopes will reduce the number of sick days used per year by its employees. You wish to test whether the mean number of sick days used by employees this year differs from the mean number of sick days used last year by all employees (which was 8.2) .

• A)One-sample t-test
• B)Two-sample t-test
• C)ANOVA
• D)Chi-square test

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Definitions:

Government Takeover

The acquisition of control over a company or sector by the government, potentially involving nationalization or requisition of private assets.

Per-Unit Costs

The expense incurred to produce, acquire, or sell one unit of a product or service, used in calculating profitability and pricing strategies.

Fixed Costs

Costs that do not vary with the volume of production or sales, such as rent, salaries, and insurance.

Semiconductors

Semiconductors are materials, such as silicon, which have electrical conductivity between that of a conductor and an insulator, used in a vast array of electronic circuits and devices.