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 table shows is the number of idle minutes yesterday for the five day-shift workers and the six evening-shift workers. Day Shift Evening Shift 92 96 103 114 116 80 81 82 89 88 91 picture Click here for the Excel Data File a. State the decision rule. Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) Hg: Idle minutes are same. H: Idle minutes are not the same.

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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 table shows is the number of idle
minutes yesterday for the five day-shift workers and the six evening-shift workers.
Day
Shift
Evening
Shift
92
96
103
114
116
80
81
82
89
88
91
picture Click here for the Excel Data File
a. State the decision rule. Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your
answers to 2 decimal places.)
Ha: Idle minutes are same.
H: Idle minutes are not the same.
Reject Ho if z <
or z >
Transcribed Image Text: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 table shows is the number of idle minutes yesterday for the five day-shift workers and the six evening-shift workers. Day Shift Evening Shift 92 96 103 114 116 80 81 82 89 88 91 picture Click here for the Excel Data File a. State the decision rule. Use the 0.05 significance level. (Negative amounts should be indicated by a minus sign. Round your answers to 2 decimal places.) Ha: Idle minutes are same. H: Idle minutes are not the same. Reject Ho if z < or z >
b. Complete the following table.
Day
Minutes
Evening
Minutes
Rank
Rank
92
96
103
114
116
80
81
82
89
88
91
c. What is the Wilcoxon rank-sum test value? (Round your answer to 2 decimal places.)
Transcribed Image Text:b. Complete the following table. Day Minutes Evening Minutes Rank Rank 92 96 103 114 116 80 81 82 89 88 91 c. What is the Wilcoxon rank-sum test value? (Round your answer to 2 decimal places.)
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