Number of accidents occurring per quarter

Reference no: EM131001566

The following data set, from a study by Lucas (1985)2 , shows the number of accidents occurring per quarter (three months) at a DuPont company facility, over a 10-year period. The data set has been partitioned into two periods: Period I is the ?rst ?ve-year period of the study; Period II, the second ?ve-year period.

5	5	10	8	3	4	2	0
4	5	7	3	1	3	2	2
2	8	6	9	7	7	1	4
5	6	5	10	1	2	2	1
6	3	3	10	4	4	4	4

When the data set was presented in Problem 13.22, it was simply stated as a matter of fact that a Poisson pdf was a reasonable model for representing this data.

Reference no: EM131001566

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