Salary information regarding male and female employees of a
large company is shown below.
Male | Female | |
Sample Size | 64 | 36 |
Sample Mean Salary (in $1000) | 44 | 41 |
Population Variance (σ2) | 128 | 72 |
The 95% confidence interval for the difference between the means of
the two populations is
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The statistical software output for this problem is :
The 95% confidence interval for the difference between the means of the two populations is :
-0.92 to 6.92
b)
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