Develop and interpret a 95% confidence interval for the Alberta Total Cattle At January 1 On Beef
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Question:
- Develop and interpret a 95%confidence intervalfor the Alberta Total Cattle At January 1 On Beef Operations. Generate the output using MegaStat and then include a full interpretation following the output.
| Alberta |
| Total cattle |
| At January 1 |
| On beef operations |
| 5403.1 |
| 5627 |
| 5638.8 |
| 5134.8 |
| 5491.9 |
| 5745.5 |
| 5724.7 |
| 5512 |
| 5358.2 |
| 5183.9 |
| 4956.6 |
| 4674.8 |
| 4796.7 |
| 4881.3 |
| 4896.2 |
| 4723.8 |
- Various interest groups are claiming that cattle operations are increasing in size all the time. However, other industry groups say the number of cattle in Alberta on all cattle operations has in fact decreased from the long-term annual average of 5,600 (in thousands).
Using a 5% significance level, test the hypothesis that the average number "on all cattle operations" over the last 15 years isless than5,600 (in thousands). Includeall 5 stepsand a full interpretation. Use MegaStat to generate the test statistic for Step 4 of the 5 step hypothesis procedure.
| Alberta |
| Total cattle |
| At January 1 |
| On all cattle operations |
| 5590 |
| 5829 |
| 5825 |
| 5310 |
| 5675 |
| 5930 |
| 5900 |
| 5680 |
| 5530 |
| 5345 |
| 5120 |
| 4855 |
| 4975 |
| 5060 |
| 5075 |
| 4900 |
Calculating statistics
All stats are to be calculated using MegaStat in Microsoft Excel. "Answers" should all be on one "output" tab in Excel. Please ensure the answers, especially your interpretations, are clearly noted/highlighted.
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