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Question

P Do Homework Sara Delarnett-Google Chrome Secure https //www.mathxl.com/Student Player Homework aspo?homeworkid 4190268298 questionid 1&flushed; falseskolda432 13Bcenterwin yes STAT 211 Section 022 Spring 2017 Sara DeJarnett 2/19/17 12 59 PM Homework: Chapter 7 Score: 0 of 1 pt 10 of 13 (9 complete) v HW Score: 58.12%, 7.56 of 13 pts 7.1.33 E Question Help A sample of records of homes gives the and size in of 117 regression to predict (n thousands of dolars) from Size has an R2 of 72.2%, Write a sentence in context summarizing what the R2 says about this regression. Choose the correct answer below O A. A linear model on Size accounts for 2.2% of the variation in home Price O B. A linear model on Size accounts for 27,8% of the variation in home Prioe. O C. A linear model on Price accounts for 72.2% of the variation in home Size. O D. A linear model on Size accounts for 85.0% of the variation in home Price. O E. A linear model on Price accounts for 85.0% of the variation in home Size. O F A linear model on Price accounts for 278% of the variation in home size. Click to select your answer and then click Check Answer Clear All All parts showing

Explanation / Answer

R-square is 72.2%. It shows that 72.2% of variation is dependent variable (price) is accounted by independent variable (size).

Option A is correct.