Develop a 95 percent confidence interval for the mean number of errors committed (Errors Column) per team assuming that you know the population standard deviation to be 15.0.
Errors |
79 |
81 |
108 |
92 |
99 |
106 |
101 |
95 |
88 |
90 |
90 |
117 |
124 |
102 |
106 |
107 |
94 |
95 |
68 |
137 |
103 |
114 |
109 |
101 |
89 |
83 |
92 |
88 |
121 |
109 |
Select one:
a. 94.15, 105.05
b. 95.22, 103.98
c. 94.23, 104.97
d. 95.10, 104.10
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