Assignment:
A recent trade newsletter reported that during the initial 6-month period of employment, new sales personnel in an insurance company spent a median of 119 hours per month in the field. A random sample of 20 new salespersons was selected. The numbers of hours spent in the field by members in a randomly chosen month are listed here:
| 163 |
103 |
112 |
96 |
134 |
| 147 |
102 |
95 |
134 |
136 |
| 189 |
126 |
135 |
114 |
129 |
| 142 |
111 |
103 |
89 |
115 |
Do the data support the trade newsletter’s claim? Conduct the appropriate hypothesis test with a significance level of 0.05.
Provide complete and step by step solution for the question and show calculations and use formulas.