MINITAB output Predicted Values For New Observations Values of Predictors for Ne

Question

MINITAB output Predicted Values For New Observations Values of Predictors for New Observations A group of researchers developed a new method for ranking the total driving performance of golfers on a tour. The method requires knowing a golfer's average driving distance (yards) and driving accuracy (percent of drives that land in the fairway). They construct a straight-line model relating driving accuracy (y) to driving distance (x). A MINITAB printout with prediction and confidence intervals for a driving distance of x = 300 is shown below. a. Locate the 95% prediction interval for driving accuracy (y) on the printout and give a practical interpretation of the result The 95% prediction interval is (Round to three decimal places as needed) Give a practical interpretation of the result Choose the correct answer below A. There Is not enough information to answer this question B. We are 95% confident that the mean driving accuracy for all golfers driving the ball 300 yards is between the limits of the prediction interval. C. We are 95% confident that the actual driving accuracy for a golfer driving the ball 300 yards is between the limits of the prediction interval. b. Locate the 95% confidence interval for mean driving accuracy (y) on the printout, and give a practical interpretation of the result. The 96% confidence interval is (Round to three decimal places as needed.) Give a practical interpretation of the result. Choose the correct answer below. A. We are 95% confident that the actual driving accuracy for a golfer driving the ball 300 yards is between the limits of the confidence interval. B. We are 95% confident that the mean driving accuracy for all golfers driving the ball 300 yards is between the limits of the confidence interval. C. There is not enough information to answer this question c. If you are interested in knowing the average driving accuracy of all golfers who have a driving distance of 300 yards which of the intervals is relevant? Explain Choose the correct answer below. A. There is not enough information to answer this question B. The confidence Interval for the mean because it estimates the mean while the prediction Interval for the actual value estimates a single value not a mean

Explanation / Answer

a) 95% prediction interval

(56.719,65.897) (as per the output)

b)C) we are 95% confident that the actual driving accuracy for a golfer driving the ball 300 yards is between the liits of the interval.

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