A Consumer Interest Group Is Interested in Comparing the Speed

question 18

Multiple Choice

A consumer interest group is interested in comparing the speed of four different desktop printers;four different documents are used for the experiment.Each test consists of randomly assigning one printer to one of the documents.The document is printed and the time to print in seconds is recorded.Each printer/document combination is tested.Calculate
,
And the F-ratio.Can you reject
Using α = 0.05? The ANOVA table is listed below.

• A) = 1.216; =0.210;F-Ratio = 5.790;No,do not reject Using α = 0.05.
• B) = 1.621; =0.263;F-Ratio = 6.163;Yes,reject Using α = 0.05.
• C) = 1.621; =0.210;F-Ratio = 7.719;Yes,reject Using α = 0.05.
• D) = 1.216; =0.263;F-Ratio = 4.641;No,do not reject Using α = 0.05.
• E) = 1.621; =0.242;F-Ratio = 6.698;Yes,reject Using α = 0.05.

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Definitions:

Recessions

Periods of temporary economic decline during which trade and industrial activity are reduced, typically recognized by a fall in GDP in two successive quarters.

Depression

A severe and prolonged downturn in economic activity, characterized by significant declines in GDP, high unemployment, reduced consumer spending, and deflation.

Manufacturing Employment

Jobs and positions related to the production of goods and materials through physical labor or machinery in industrial settings.

Work Force

consists of all the people engaged in or available for work, either in a specific region or in the entire economy.