a.
Describe the Pooled variance assumption. How does it change thestandard error? What impact does it have on a test statistic? Whatimpact does it have on a p-value?
How do you justify making the assumption?
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b.
| Republican | Democrat | Libertarian |
| Support | 18 | 24 | 8 |
| Don't Support | 14 | 12 | 5 |
The above contingency table was created by asking a sample ofpeople in a given area if they support a measure taken by thegovernment.Ă‚Â Ă‚Â
If The variables were independent how many Republicans in oursample would we expect to Support the measure proposed?
2.
ohn believes he randomly selects his choice in Rock PaperScissors.Ă‚Â Ă‚Â
His friend challenges him to record what he chooses over thenext 3 months.Ă‚Â Ă‚Â
Do a full hypothesis test to see if the data is trulybalanced.Ă‚Â Ă‚Â
