Job-related injuries at a construction worksite

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Reference no: EM131121643

Records pertaining to the monthly number of job-related injuries at a construction worksite were studied. The values for the past 100 months were as follows:

Injuries per month	Frequency of Occurrence
0	35
1	40
2	13
3	6
4	4
5	1
6	1

a) Apply the chi-square test to these data to test the hypothesis that the underlying distribution is Poisson. Use the level of significance alpha = 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 alpha = 0.05.

Reference no: EM131121643

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