David Desreumaux,VP of Human Resources of American First Banks (AFB),is $\alpha$

question 37

Multiple Choice

David Desreumaux,VP of Human Resources of American First Banks (AFB) ,is reviewing the employee training programs of AFB banks. Based on a recent census of personnel,David knows that the variance of teller training time in the Southeast region is 8,and he wonders if the variance in the Southwest region is the same number. His staff randomly selected personnel files for 15 tellers in the Southwest Region,and determined that their mean training time was 25 hours and that the standard deviation was 4 hours. Assume that teller training time is normally distributed. Using $\alpha$
= 0.10,the critical values of chi-square are ________.

• A) 7.96 and 26.30
• B) 6.57 and 23.68
• C) -1.96 and 1.96
• D) -1.645 and 1.645
• E) -6.57 and 23.68

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Definitions:

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Widely accepted but oversimplified and generalized beliefs about a particular group of people or type of individual, often leading to misconceptions and biases.

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A period in United States history (1920-1933) during which the manufacture, sale, and transportation of alcoholic beverages were made illegal by the 18th Amendment to the Constitution.