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Each employee in two separate groups of 15 employees, group I and group II, was given a job-performance rating. The standard deviation of the ratings for group I was 8.5 and the standard deviation for group II was also 8.5.
Quantity A
The standard deviation of the 30 ratingss
Quantity B
17
D显示答案
· 相关考点
5.2.9 标准差
5.2.9 标准差
以上解析由 考满分老师提供。
