Question: Consider the following set of ordered pairs Assuming that the regression
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.
Answer to relevant QuestionsUsing the data in Problem 14.32, construct a 95% confidence interval for the slope. In Problem Wilmington University is concerned about the presence of grade inflation, which is defined as an increase in the average GPA of the institution’s students over time without a comparable increase in academic standards. To ...Answer the following questions using the data from Problem 14.42: a. Calculate the coefficient of determination. b. Using α = 0.05, test the significance of the population coefficient of determination. In Problem Answer the following questions using the data from Problem 14.50: a. Calculate the coefficient of determination. b. Using α = 0.05, test the significance of the population coefficient of determination. c. Construct a 90% ...Using the data from Problem 14.5 and α = 0.02, test if the population correlation coefficient between a person’s age and credit score is different than zero. What conclusions can you draw? In Problem
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