Mathematics, 16.05.2020 17:57 HeartfeltDream12
Off-road motorcycles (often called "dirt bikes") are a segment (about 18%) of the growing motorcycle market. Because dirt bikes offer great variation in features, they are a good market segment to study to learn about which features account for the cost (manufacturerâs suggested retail price, MSRP) of a bike. Researchers collected data on 2005-model dirt bikes (lib .stat. cmu. edu/datasets/dirtbike_aug. csv). Their original goal was to study market differentiation among brands. (The Dirt on Bikes: An Illustration of CART Models for Brand Differentiation, Jiang Lu, Joseph B. Kadane, and Peter Boatwright). In Chapter 17, Exercises 41, 42, and 43 dealt with these data, but several bikes were removed from those data to simplify the analysis. Now weâll take on the full set. Hereâs a regression model and some associated graphs. Well, in honesty, weâve removed one luxury handmade bike whose MSRP was $19,500 as a clearly identified outlier.
a) List aspects of this regression model that lead to the conclusion that it is likely to be a useful model.
b) What aspects of the displays indicate that the model is a good one?
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Jenny borrowed $500 for five years at 4 percent interest, compounded annually. what is the total amount she will have paid when she pays off the loan? total amount = p (1 + i)t a. $608.33 b. $729.99 c. $765.77 reset next
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The correlation coefficient between the number of students and marks obtained in end semester exam. (13 marks) give the statistical meaning of the relationship between the number of students and marks b. obtained in end semester exam. (3 marks) draw the number of students and marks obtained in end semester exam scatter diagram c. (4 marks) check list write your name and id corectly write the question number properly use your own calculator. show all the steps to solve the problems. use the correct formula. answer in provided time. don't use your mobile for any purpose. write your answer up to two decimal places
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Off-road motorcycles (often called "dirt bikes") are a segment (about 18%) of the growing motorcycle...
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