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categoryإحصاء schoolبكالوريوس event_available2026-07-16

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Problem Value: 6 point(s). Problem Score: 0%. Attempts Remaining: 5 attempts. (6 points) Hockey Birthdays. In 2008, Malcolm Gladwell released his book, Outliers. In the book, Gladwell claims that more professional hockey players are born in January through March than in October through December. The following data is a summary of birth months for a random sample of 158 National Hockey League players. Birth Month Number of Players January-March 47 April-June 42 July-September 36 33 October-December Conduct a hypothesis test to determine whether hockey players' birthdays are evenly distributed throughout the year using the stated hypotheses. Round all numeric results to 4 decimal places. a. What is the expected value for the number of player birthdays in January - March? b. Calculate the test statistic for this hypothesis test. ? c. Calculate the degrees of freedom for this hypothesis test. d. Calculate the p-value for this hypothesis test. p-value = e. Based on the p-value, we have: A. little evidence B. strong evidence C. extremely strong evidence D. some evidence E. very strong evidence that the null model is not a good fit for our observed data. Help Entering Answers

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