xi fi
10 3
20 6
30 3
40 4
50 1
60 2
Find the mean by direct and shortcut method with steps
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Answered by
0
fixi
30
120
90
160
50
120
total = 570
mean = sigma fixi/ sigma fixi
= 570/19
= 30
30
120
90
160
50
120
total = 570
mean = sigma fixi/ sigma fixi
= 570/19
= 30
Answered by
0
mean in direct method
summation of fi xi/ summationfi=10×3+20×6+30×3+40×4+50×1+60×2/3+6+3+4+1+2
=570/19
30
summation of fi xi/ summationfi=10×3+20×6+30×3+40×4+50×1+60×2/3+6+3+4+1+2
=570/19
30
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