To Test If the Mean IQ of Employees in an Organization

question 108

Multiple Choice

To test if the mean IQ of employees in an organization is greater than 100, a sample of 30 employees is taken and the value of the test statistic is computed as t₂₉ = 2.42 If we choose a 5% significance level, we ________.

• A) reject the null hypothesis and conclude that the mean IQ is greater than 100
• B) reject the null hypothesis and conclude that the mean IQ is not greater than 100
• C) do not reject the null hypothesis and conclude that the mean IQ is greater than 100
• D) do not reject the null hypothesis and conclude that the mean IQ is not greater than 100

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Definitions:

Useful Life

The estimated period during which an asset is expected to be usable for its intended purpose.

Operating Costs

Expenses associated with the day-to-day functioning of a business, including costs related to administration, sales, and production operations.

Service Hours

A measure of the amount of labor time or effort that is provided by a company as a service.

Percentage Change

A mathematical calculation that indicates the degree of change over time, expressed as a percentage.