The Width of a Confidence Interval Will Be

question 145

Multiple Choice

The width of a confidence interval will be

• A) narrower for 99 percent confidence than for 95 percent confidence.
• B) wider for a sample size of 100 than for a sample size of 50.
• C) narrower for 90 percent confidence than for 95 percent confidence.
• D) wider when the sample standard deviation (s) is small than when s is large.

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Definitions:

Direct Labor Payroll

The total amount of money paid to employees directly involved in manufacturing products or providing services.

Standard Rate of Pay

The regular amount of pay given for standard work hours or for performing a standard task or job.

Unfavorable Variance

The difference between actual costs and standard or budgeted costs when actual costs are higher, indicating lower profitability.

Actual Costs

The real, specific expenses incurred or required to perform an operation, produce an item, or offer a service.