Exhibit 10-7 In Order to Estimate the Difference Between the Average Hourly

question 89

Multiple Choice

Exhibit 10-7
In order to estimate the difference between the average hourly wages of employees of two branches of a department store, the following data have been gathered.
-Refer to Exhibit 10-7. A 95% interval estimate for the difference between the two population means is

• A)0.078 to 1.922
• B)1.922 to 2.078
• C)1.09 to 4.078
• D)1.078 to 2.922

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