In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated. Company A Company B sample size 80 60 Sample Mean $16.75 $16.25 Population Standard Deviation $1.00 $.95 a. A Point estimation for the difference between the two population means is b. The test statistics is c. At the 5% level of significance, the null hypothesis should
In order to determine whether or not there is a significant difference between the mean hourly wages paid by two companies (of the same industry), the following data have been accumulated.
Company A Company B
sample size 80 60
Sample Mean $16.75 $16.25
Population Standard Deviation $1.00 $.95
a. A Point estimation for the difference between the two population means is
b. The test statistics is
c. At the 5% level of significance, the null hypothesis should
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