# Question

During the 197374 hockey season, the Boston Bruins played 39 home games and scored 193 points, as shown below.

(a) Estimate the mean from the sample.

(b) Calculate the expected frequencies assuming a Poisson distribution. Show your calculations in a spread- sheet format.

(c) Carry out the chi-square test, combining end categories as needed to ensure that all expected frequencies are at least five. Show your degrees of freedom calculation.

(d) At α = .05, can you reject the hypothesis that goals per game follow a Poisson process? (Data are from Gary M. Mullett, "Simeon Poisson and the National Hockey League," The American Statistician 31, no. 1 [1977], p. 9.)

(a) Estimate the mean from the sample.

(b) Calculate the expected frequencies assuming a Poisson distribution. Show your calculations in a spread- sheet format.

(c) Carry out the chi-square test, combining end categories as needed to ensure that all expected frequencies are at least five. Show your degrees of freedom calculation.

(d) At α = .05, can you reject the hypothesis that goals per game follow a Poisson process? (Data are from Gary M. Mullett, "Simeon Poisson and the National Hockey League," The American Statistician 31, no. 1 [1977], p. 9.)

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