A personnel consultant was hired to study the influence of sick-pay benefits on absenteeism. She randomly selected samples of hourly employees who do not get paid when out sick and salaried employees who receive sick pay. Using the following data on the number of days absent during a 1-year period, test the null hypothesis that hourly and salaried employees do not differ with respect to absenteeism. What do your results indicate?
Hourly Salaried
1…………………………. 2
1…………………………. 0
2…………………………. 4
3…………………………. 2
3………………………….10
6………………………….12
7…………………………. 5
4…………………………. 4
0…………………………. 5
4…………………………. 8