Records pertaining to the monthly number of job-related
Question and Solution
Records pertaining to the monthly number of job-related injuries at an underground coal mine were being studied by a fed
98 % (200 Review)
Records pertaining to the monthly number of job-related injuries at an underground coal mine were being studied by a federal agency. The values for the past 100 months were as follows: injuries per Month Frequency of Occurrence 0 35 40 2 13 4 4 (a) Apply the chi-square test to these data to test the hypothesis that the underlying distribution is Poisson. Use the level of significance = 0.05. (b) Apply the chi-square test to these data to test the hypothesis that the distribution is Poisson with mean 1.0. Again let = 0.05. (c) What are the differences between parts (a) and (b), and when might each case arise
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