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 | |
| Sample size | 25 | 20 |
| Sample mean | $9 | $8 |
| Sample standard deviation | $2 | $1 |
A point estimate for the difference between the two population means is?
A 95% interval estimate for the difference between the two population means is?
A point estimate for the difference between the two population means is?
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Chance And Chaos
Authors: David Ruelle
1st Edition
069121395X, 9780691213958
