Question: 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

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. Downtown Store North Mall Store 25 20 Sample size Sample mean Sample standard deviation $9 $8 13 % $2 $1 A 95% interval estimate for the difference between the two population means is 01.078 to 2.922 Ob 1.922 10 2.078 01.09 to 4.078 Od 0.078 to 1922

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