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The Los Angeles Dodgers have many devoted fans that pack the stadium for games (pre-COVID). The Dodgers record the number of
Round to 2 decimal places. d. 2. (Round to two decimal places) (Round to two decimal places) e. Interpretr: Given any fixed a
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Answer #1

We input the data set in Excel and use the "Regression" option under Data > Data Analysis to carry out this regression problem and answer the given questions. The output is given below. Here, x = Attendance, y = Runs.

SUMMARY OUTPUT
Regression Statistics
Multiple R 0.6812
R Square 0.4641
Adjusted R Square 0.4105
Standard Error 1.9598
Observations 12
ANOVA
df SS MS F Significance F
Regression 1 33.2591 33.2591 8.6595 0.0147
Residual 10 38.4076 3.8408
Total 11 71.6667
Coefficients Standard Error t Stat P-value Lower 95% Upper 95% Lower 95.0%
Intercept 5.2706 1.4398 3.6607 0.0044 2.0626 8.4786 2.0626
x 0.1037 0.0352 2.9427 0.0147 0.0252 0.1822 0.0252

(a) H_0: \rho = 0 , H_1: \rho \ne 0 . The p-value = P-value of x = 0.0147.
(b) 1st option.
(c) r = Multiple R = 0.68.
(d) r2 = R Square = 0.46.
(e) 1st option.
(f) \hat{y} = 5.27 + 0.10 x .
(g) Runs scored = 5.27 + (0.10 * 34) = 8.795 = 9 runs (approx.) (or, 8 runs).
(h) 3rd option.
(i) 3rd option.

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