In order to determine whether or not there is a significant difference between the mean hourly wages paid by two compani
Posted: Wed May 11, 2022 11:23 am
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 80 65 Sample size $16.75 S16.25 Sample mean S1.00 5.95 Population standard deviation
At the 5% level of significance, the null hypothesis should be rejected. should not be rejected. should be revised. should not be tested.
At the 5% level of significance, the null hypothesis should be rejected. should not be rejected. should be revised. should not be tested.