Midterm Practice Problems

G use a 95 confidence interval to test if there is a

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Unformatted text preview: n equation be? d. If you used both forms of social media to predict spending, what would the regression equation be? e. How much spending would you predict from someone who spent 2 hours on facebook a day and 4 hours on twitter a day? f. Use a 95% confidence interval to test is the correlation between facebook time and twitter time is significantly different than 0. g. Use a 95% confidence interval to test if there is a significant difference between the correlation of facebook time and spending versus twitter time and spending. 12. Fill in the following table Su...
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