Question

Question Help Classified ads in the local paper offered several used cars of a particular model for sale. Listed in the accompanying table are the ages of the cars and the advertised prices. Complete parts a through f below. Click the icon to view the table. a) Make a scatterplot for these data. Choose the correct answer below OA. OB. OC. Price (5) 15000 12000 9000 5000 3000 Price 5) 15000 12000 9000 6000 3000 15000 12000 9000 6000 3000 36 9 12 15 Agely) 3 6 9 12 15 Age lyn 0 3 6 9 12 15 Agen b) Describe the association between Age and Price of a used car of a particular model. The association between Age and Price is c) Do you think a linear model is appropriate? and O A. No, the linear model is not appropriate because the data points do not form a relatively straight line and/or there are outliers, OB. Yes, the linear model is appropriate because the data points have been randomized OC. Yes, the linear model is appropriate because the data points form a relatively straight line and there are no outliers OD. No, the linear model is not appropriate because the variables are not quantitative variables

Answer 1

SoluHon! a) correct scatterplot is option (c) b2 Association between Age & price of a used car of a particular model is strong negative & linear Because, can observe from Scatordiagram, a straight can be fitted Cstrong lpnear Association we line Also, if Age Pncreasers, price decreases + (Here negative linear Associala o option ( o correct Answer d) 0.893 RV-89. 31. = 89.3 100 (squared root gr) r= 50.893 0.944986 Correlation 91 blw Age & price is 00944986 ce) Age Accounts for 89.3% of the variation in advertised price, (f) Option CD) Other factors such as options, condition, & milleage contribute to the asking price,