Question

the mean weight of 10 girls in a group is 45 kg .find x if their weight are as follows .45,43,51,46,x,x-2,x+1,49,54,50​

Answer 1

Answer:

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Answer 2

Mean=Sum of all observations÷Total no.of observations

45+43+51+46+x+x-2+x+1+49+54+50 =45

10

337+3x=50

10

337+3x=500

3x=500-337

3x=163

x=163/3

x=54.34