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How accurate are pollsters in predicting the outcomes of congressional elections? The table shows the actual number of Democratic party seats in the House of Representatives and the number predicted by the Gallup organization for nonpresidential election years between World War II and 1998.
a) Is there a significant difference between the number of seats predicted for the Democrats and the number they actually held? Test an appropriate hypothesis and state your conclusions.
b) Is there a strong association between the pollsters predictions and the outcomes of the elections? Test an appropriate hypothesis and state your conclusions.
Question 1 Bob Bell's fortieth birthday party promised to be the social event of the year in Cookeville. To prepare, Bob stocked up on the following liquors: LIQUOR AMOUNT ON HAND (millilitres) Bourbon 1 560 Brandy 1 140 Vodka 1 920 Dry vermouth 7..
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