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What is the relationship between the attendance at a major league ball game and the total number of runs scored? Attendance figures (in thousands) and
What is the relationship between the attendance at a major league ball game and the total number of runs scored? Attendance figures (in thousands) and the runs scored for 10 randomly selected games are shown below. Attendance 32 44 | 40 |__Runs | -n----nnn a. Find the correlation coefficient: r = ' ' Round to 2 decimal places. b. The null and alternative hypotheses for correlation are: Ho: ' @Y =0 He @Y #0 The p-value is: ' ' (Round to four decimal places) d. r%-= (Round to two decimal places) (Round to two decimal places) e. Interpret r : (O Given any fixed attendance, 44% of all of those games will have the predicted number of runs scored. O There is a large variation in the runs scored in baseball games, but if you only look at games with a fixed attendance, this variation on average is reduced by 44%. () 44% of all games will have the average number of runs scored. (O There is a 44% chance that the regression line will be a good predictor for the runs scored based on the attendance of the game. f. The equation of the linear regression line is: Y = 3 x (Please show your answers to two decimal places) g. Use the model to predict the runs scored at a game that has an attendance of 34,000 people. Remember: Your data is in 'thousands' so 58 = 58,000. Runs scored = (Please round your answer to the nearest whole number.)
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