Question: Graph the following residuals and indicate which of the assumptions
Graph the following residuals, and indicate which of the assumptions underlying regression appear to be in jeopardy on the basis of thegraph.
Answer to relevant QuestionsGraph the following residuals, and indicate which of the assumptions underlying regression appear to be in jeopardy on the basis of thegraph.Determine the SSE and se for Problem 12.9. Examine the variables being analyzed by regression in this problem and comment on the value of se.Test the slope of the regression line determined in Problem 12.7. Use α =.01.Construct a 99% confidence interval for the average bond rate in Problem 12.9 for a prime interest rate of 10%.Discuss the meaning of this confidence interval.Bond Rate .. Prime Interest Rate5% ....... 16%12 ....... 69 ...Determine the equation of the trend line through the following cost data. Use the equation of the line to forecast cost for year 7.Year ... Cost ($ millions)1 ..... 562 ..... 543 ..... 494 ..... 465 ..... 45
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