THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION

question 198

Essay

THE NEXT QUESTIONS ARE BASED ON THE FOLLOWING INFORMATION:
You are interested in determining the relationship between x and y.You have the following information:
b₀= 117.4,b₁= -14.39,s
= 0.18,s
= 0.18,n = 300,
= 4.3,SST = 17045,and SSE = 12053.
-Using regression techniques,we can plot a scatter diagram and plot a line to the data using the Least Squares method.Generally,the points do not fall directly on the line.Why does this happen? Is it a problem?

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