The production manager of MPS Audio Systems Inc. is concerned about the idle time of workers.

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.
Day
ShiftEvening Shift 124  87  117  99  108  95  105  101  99  84     92 
 
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