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h3. The prices (in dollars) and age (in years) of 21 used cars of a certain brand and model are in the excel file posted
h3. The prices (in dollars) and age (in years) of 21 used cars of a certain brand and model are in the excel file posted on brightspace
please answer A to J, thank you
\f3. The prices (in dollars) and age (in years) of 21 used cars of a certain brand and model are in the excel file "Assignment 1.xIsx" posted on Brightspace. You may assume that all assumptions are valid. A. Using SAS, draw a scatter plot of price versus age and comment on the relationship. B. Sate the simple linear regression model along with the assumptions. C. Find the least square estimates for Bo and B, and give the least square fitted regression line. D. Find the estimate of of. E. Use the t-test to test if there is a significant linear relationship between price and age. Use a = 0.05. F. Find a 95% confidence interval for B1. G. Construct the ANOVA table and use it to test if there is a significant linear relationship between price and age. Use a = 0.05. H. Find the coefficient of correlation, r, and the coefficient of determination, r, and give their interpretation in terms of this problem. I. Find the 95% confidence interval for the mean price and the 95% prediction price for the age of this type of car is 6 years. J. Repeat C to I using SASStep by Step Solution
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