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The 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. Use the .05 significance level.
Day Shift Evening Shift
92 ............ 96
103 ............ 114
116 ............ 80
81 ............ 82
89 ............ 88
91 |
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