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The numbers examined, the mean weight and the standard deviation in each group of examination by two medical examiners are given below: (5 Marks) Medical

The numbers examined, the mean weight and the standard deviation in each group of examination by two medical examiners are given below:

(5 Marks)

Medical Examiner

Examiner A

Examiner B

No. Examined

50

60

Mean Weight

113

120

Standard Deviation (lbs)

6.5

8.2

By which Medical Examiner is the variation in examination is greater?

What is the mean weight of both the groups taken together? What is the standard deviation of both the groups taken together?

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