Homework SourseIn order to determine whether or not there is a significant
In order to determine whether or not there is a significant difference between the hourly wages of two companies, the following data have been accumulated.
Calculate the value of the test statistic.
| company 1 | company 2 | |
| sample size | 80 | 60 |
| x bar | 10.80 | 10.00 |
| sigma | 2.00 | 1.50 |
Solution
