Final Exam Winter 2022 - Google Chrome X mylab.pearson.com/Student/PlayerTest.aspx?testld=241544758¢erwin=yes Statistics for Analytics II Spring/Summer 2022B Neda Rostami 08/17/22 6:31 PM @ Test: Final Exam Winter 2022 Question 20 of 30 > This test: 30 point(s) possible This question: 1 point(s) possible Submit test Classified ads in the local paper offered several used model A cars for sale. Listed to the right are the ages of the cars and the advertised Full data set Question list K prices. Complete parts a through f. Age (yr) Price Advertised ($) |Age (yr) |Price Advertised ($) 12,940, 10,945 5940, 4995 10,475 3245, 2280, 3965 MIAWN- 10,980, 10,955 2900, 2970 6945, 7955 1720 Question 11 8750, 6950 O Question 12 12,000 Q 12,000- 12.000- Question 13 Price ($) Price ($) 6,000- 6,000- Price ($) 6.000 1 .. O Question 14 6 12 12 Age (yr) Age (yr) Age (yr) Question 15 b) Describe the association between year and price. O A. There is a weak positive linear association between age and price of the model A cars. Question 16 B. There is a strong negative linear association between age and price of the model A cars. O C. There is a weak negative linear association between age and price of the model A cars. O D. There is a strong positive linear association between age and price of the model A cars. O Question 17 c) Do you think a linear model is appropriate? Yes Question 18 No d) Computer software says that R" = 0.894. What is the correlation between age and price? Question 19 The correlation, r, between Age and Price is]. Round to three decimal places as needed.) O Question 20 e) Explain the meaning of R" in this context. O A. Advertised price accounts for 10.6% of the variation in age. Question 21 O B. Age accounts for 10.6% of the variation in advertised price. O C. Age accounts for 89.4% of the variation in advertised price O Question 22 D. Advertised price accounts for 89.4% of the variation in age. f) Why doesn't this model explain 100% of the variability in the price of a used model A? Question 23 O A. Other factors such as options, condition, and mileage contribute to the asking price. O B. There are not enough data points in the model. O C. Different dealers ask different prices for cars of the same age. Question 24 Activate Windows On. It is impossible for "real world" data to he nerfect Go to Settings to activate Windows. Time Remaining: 02:28:54 Next Type here to search O X 25.C Mostly cloudy ~ 9 4 x ENG 6:29 PM 994 2022-08-17