Determine whether employees performance can be judged stable

Reference no: EM131384729

Every employee in a check-processing department goes through a four-month training period, after which the employee is responsible for their operation. The work of one employee who has been on the job for eight months is being studied. Given Table shows the number of errors and the number of items sampled over a period of two months.

The first 16 samples were each chosen from 400 items, and the remaining 9 samples were each chosen from 300 items. Determine whether the employee's performance can be judged stable. Comment on the capability of the employee.

Sample	Errors	Items Sampled	Sample	Errors	Items Sampled
1	12	400	14	18	400
2	9	400	15	8	400
3	13	400	16	6	400
4	7	400	17	4	300
5	6	400	18	6	300
6	10	400	19	5	300
7	14	400	20	8	300
8	7	400	21	10	300
9	5	400	22	7	300
10	6	400	23	4	300
11	4	400	24	5	300
12	9	400	25	3	300
13	11	400

Reference no: EM131384729

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