Suppose a 95% Confidence Interval For $\mu$ Turns Out to Be (1,000, 2,100)

question 44

Multiple Choice

Suppose a 95% confidence interval for $\mu$ turns out to be (1,000, 2,100) .To make more useful inferences from the data, it is desired to reduce the width of the confidence interval.Which of the following will result in a reduced interval width?

• A)Increase the sample size.
• B)Increase the confidence level.
• C)Increase the population mean.
• D)Increase the sample mean.

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Definitions:

Employment

Employment is a contractual relationship between an employer and an employee where the employee provides labor or services in exchange for compensation.

Payroll Tax

Contributions demanded from employers or their staff, often pegged to a percentage of the paychecks disbursed to employees.

Equilibrium Wage

The wage rate at which the quantity of labor demanded by employers equals the quantity of labor supplied by workers.

Payroll Tax

A tax imposed on employers or employees, and is usually calculated as a percentage of the salaries that employers pay their staff.