In 2002, the Anaheim Angels defeated the San Francisco Giants in the World Series 4 games to

Question:

In 2002, the Anaheim Angels defeated the San Francisco Giants in the World Series 4 games to 3. The table below shows the inning-by-inning breakdown of runs by each team (3 indicates unnecessary last half of inning).
(a) Estimate (the mean runs per game).
(b) Use Excel's function =POISSON.DIST(x,mean,0) to fill in the P(X = x) column.
(c) Multiply P(X = x) by 121 to obtain the expected frequencies.
(d) Carry out the chi-square test at Î± = .05, combining classes as needed to enlarge expected frequencies.
(e) Explain how you obtained the degrees of freedom.
(f) Which cells show the largest contribution to the chi-square test statistic?
(g) Obtain the p-value using Excel's function = CHISQ.DIST.RT (x, degrees of freedom).
(h) Why is the Poisson a poor t for baseball runs, even though its hockey goals pretty WorldSeries well?

Distribution
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