Question
A manufacturing company wishes to estimate the number of items that its workforce can produce on...
A manufacturing company wishes to estimate the number of items that its workforce can produce on average each hour now that they have a new machine. The factory manager examined the records for a random sample of 10 hours over the past month. The hourly production rates for those 10 hours were:
|
145 |
172 |
154 |
160 |
149 |
158 |
191 |
162 |
163 |
158 |
Use this information to estimate a 90% confidence interval for the average number of items produced per hour. State any assumption made in your calculation.
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