Q.2. The number examined , the meanweight and standard deviation in each group of examination by two medical examiners are given below . calculate mean and standard deviation of both the group taken together .

Medical examiner number examined mean weight (lbs) standard deviation (lbs)

A 50 113 6.5

B 60 120 8.2

Group

Number of Medical Examiners

(N)

Mean Weight

()

Standard Deviation

()

A

N1 = 50

= 113

= 6.5

B

N2 = 60

= 120

= 8.2

 

  • 0
What are you looking for?