Question

The data from Exercise 14.35 for average high and low temperatures in January for a random sample of 50 cities are on the WeissStats CD.
a. Decide whether you can reasonably apply the regression t-test. If so, then also do part (b).
b. Decide, at the 5% significance level, whether the data provide sufficient evidence to conclude that the predictor variable is useful for predicting the response variable.


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  • CreatedAugust 13, 2015
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