Statistics
ricnavThe production manager of MPS Audio Systems Inc. is concerned about the idle time of workers. In particular, he would like to know if there is a difference in the idle minutes for workers on the day shift and the evening shift. The information below is the number of idle minutes yesterday for the five day-shift workers and the six evening-shift workers. |
| Day Shift | Evening Shift | ||||
| 119 | 98 | ||||
| 121 | 99 | ||||
| 115 | 85 | ||||
| 86 | 88 | ||||
| 95 | 94 | ||||
| 118 | |||||
| State the decision rule. Use the .05 significance level. |
| H0 : Idle minutes are the same. |
H1 : Idle minutes are not the same. (Negative amount should be indicated by a minus sign. Round your answers to two decimal places.) |
| Reject H0 if z < . There is in the distribution of idle minutes. |
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