Consider the following set of ordered pairs:
Assuming that the regression equation is y = 3.693 + 0.285x and that the SSE = 7.650, test to determine if the slope is not equal to zero using α = 0.10.
Answer to relevant QuestionsUsing the data in Problem 14.34, construct a 90% confidence interval for the slope. In Problem Perform a hypothesis test with the data from Problem 14.3 to determine if the population correlation coefficient is less than zero using α = 0.05. What are your conclusions? In Problem Answer the following questions using the data from Problem 14.42: a. Using α = 0.05, test for the significance of the regression slope. b. Construct a 95% confidence interval for the population slope. In Problem Suppose Consumer Reports would like to investigate the linear relationship between the battery life, in hours, and the screen size, in diagonal inches, of a laptop computer. The following table shows a random sample of eight ...Answer the following questions using the data from Problem 14.60: a. Using α = 0.10, test for the significance of the regression slope. b. Construct a 90% confidence interval for the population slope. c. What conclusions ...
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