Perform a hypothesis test with the data from Problem 14.1 to determine if the population correlation coefficient is not equal to zero using α = 0.05. What are your conclusions?
Answer to relevant QuestionsThe following data set shows the entrance exam score (Verbal GMAT) for each of eight MBA students along with his or her grade point average (GPA) upon graduation. a. Calculate the slope and y intercept for the linear ...Using the data in Problem 14.24, construct a 90% prediction interval for x = 3. In Problem Consider the following set of ordered pairs: Assuming that the regression equation is y = 1.886 + 0.977x and that the SSE = 0.7955, test to determine if the slope is not equal to zero using α = 0.05. 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 14.47: a. Calculate the coefficient of determination. b. Using α = 0.05, test the significance of the population coefficient of determination. c. Construct a 95% ...
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