Mathematics, 13.11.2019 03:31 electrofy456

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
sample size 25 20
sample mean $9 $8
sample standard deviation $2 $1
a 95% interval estimate for the difference between the two population means is

1.09 to 4.08

0.07 to 1.9

1.08 to 2.92

1.9 to 2.08

Answers: 2

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In order to estimate the difference between the average hourly wages of employees of two branches of...