30 Dec Refer to Exercise 4.129. For each plot, the amount
Refer to Exercise 4.129. For each plot, the amountsof fertilizer were recorded.a. Compute the coefficient of determination.b. Determine the coefficients of the least squaresline.c. Describe what these statistics tell you about therelationship between crop yield and the amountof fertilizer.d. Discuss the information obtained here and inExercise 18.104.22.168 Xr04-132 Increasing tuition has resulted in somestudents being saddled with large debts on graduation.To examine this issue, a random sample ofrecent graduates was asked to report whether theyhad student loans, and, if so, how much was the debtat graduation.a. Compute all three measures of central location.b. What do these statistics reveal about studentloan debt at graduation?