In: Statistics and Probability
Wins Rushing
10 2205
11 2096
11 1847
13 1903
10 1457
11 1848
10 1564
11 1821
4 2577
2 2476
7 1984
10 1917
9 1761
9 1709
6 1901
5 2288
5 2072
5 2861
6 2411
4 2289
3 2203
3 2592
4 2053
10 1979
6 2048
8 1786
2 2876
0 2560
1.What proportion of the variation in number of wins is explained by the opponent's rushing yards? Express your answer as a proportion (between 0 and 1) written to 3 decimal places.
2.What is the sample correlation coefficient r? Write your answer to 3 decimal places.
3.What is the slope for the line of best fit? Write your answer to three decimal places.
4.What is the y-intercept for the line of best fit, written to two decimal places? (Here it is technically the wins-intercept.)
5.Predict the number of wins for a team if the opponent's total rushing yards were 1800 yards. Round your answer to the nearest whole number.