8. NFL coaches seek to examine the linear relationship between players' number of passing attempts and number of complet

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8 Nfl Coaches Seek To Examine The Linear Relationship Between Players Number Of Passing Attempts And Number Of Complet 1 (55.83 KiB) Viewed 23 times

8. NFL coaches seek to examine the linear relationship between players' number of passing attempts and number of completion Games played in 2021 during the 2021-22 season are used to investigate this relationship. Data for every NFL player that had a least one passing attempt is included the number of passing attempts and number of completions is recorded for each player. Use the StatCrunch output below to answer the following questions. a. Identify the response and predictor variables. b. Interpret the value of Pin context. c. Are there any unusual observations? Explain why or why not. d. Conduct the appropriate hypothesis test to determine if there is a linear relationship between the two variables using a significance level of 0.05. NFL Player 2021 Passing Stats Completions 300 Simple linear regression results: Dependent Variable: Completions Independent Variable: Passing Attempts Completions = -0.94817773 +0.65932398 Passing Attempts Sample size: 95 R (correlation coefficient) = 0.99778335 (p-value<0.0001) R-s9 - 0.99557162 Estimate of error standard deviation: 7.0959302 250! 200 150 100 Parameter estimates: Parameter Estimate Std. Err. Alternative DF T-Stat P-value Intercept 0.94817773 0.94397224 #093-1.0044551 0.3178 Slope 0.659323980.0045597785 *093 144.59561<0.0001 50 Predicted values: 100 400 200 300 Passing Attempts X value Pred. Y s.e.(Pred. Y) 95% C.L. 95% P.I. 252 165.20146 0.91133213(163.39174, 167.01119)(150.99462, 179.40831)