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14 Thenullandalternatehypothesesare: H0:12 H1:1>2 Arandomsampleof20itemsfromthefirstpopulationshowedameanof100andastandarddeviationof15.Asampleof16itemsforthesecondpopulationshowedameanof94andastandarddeviationof8.Usethe.05significantlevel. a. Determine the number of degrees of freedom. b. state the decision rule c. compute the value of the test
| 14 | Thenullandalternatehypothesesare: |
| H0:12 | |
| H1:1>2 | |
| Arandomsampleof20itemsfromthefirstpopulationshowedameanof100andastandarddeviationof15.Asampleof16itemsforthesecondpopulationshowedameanof94andastandarddeviationof8.Usethe.05significantlevel. | |
| a. | Determine the number of degrees of freedom. |
| b. | state the decision rule |
| c. | compute the value of the test statistic. |
| d. | state your decision about the null hypothesis. |
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