SCENARIO 9-1 Microsoft Excel Was Used on a Set of Data Involving

question 149

True/False

SCENARIO 9-1
Microsoft Excel was used on a set of data involving the number of defective items found in a random sample of 46 cases of light bulbs produced during a morning shift at a plant.A manager wants to know if the mean number of defective bulbs per case is greater than 20 during the morning shift.She will make her decision using a test with a level of significance of 0.10.The following information was extracted from the Microsoft Excel output for the sample of 46 cases:

-Referring to Scenario 9-1,if these data were used to perform a two-tail test,the p-value would be 0.042.

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Definitions:

Average Temperature

The mean value of temperature taken over a specified period of time, used to describe climate or weather conditions.

Standard Deviation

A quantitative indicator that calculates the degree of spread or variability among a collection of data points.

Expected Rate

The anticipated return on an investment over a specific period.

Standard Deviation

A statistical measure that quantifies the variation or dispersion of a set of numerical data from its mean.