he 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.

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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.
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
|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.
H1: Idle minutes are not the same.
Reject Ho if z <
or z>
b. Complete the following table.
Evening
Day
Minutes
Rank
Rank
Minutes
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.)
d. What is your decision regarding Hg? Is there a difference in the idle minutes for workers on the day shift and the
evening shift?
Ho is
There is
in the distribution of idle minutes.
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 |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. H1: Idle minutes are not the same. Reject Ho if z < or z> b. Complete the following table. Evening Day Minutes Rank Rank Minutes 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.) d. What is your decision regarding Hg? Is there a difference in the idle minutes for workers on the day shift and the evening shift? Ho is There is in the distribution of idle minutes.
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