Mean of four observations is 12. If first,second.third and fourth observations are decreased by 1,2,3 and 4 respectively,then find the new mean
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Calculate The Mean Of Subtracted Terms
1+2+3+4/4
Which Is 2.5
So New Mean Is Old Mean Minus Mean Of Terms Subtracted
So new Mean Is 12 - 2.5
9.5.
This Is The Solution.
Hope It Helped.
;)
1+2+3+4/4
Which Is 2.5
So New Mean Is Old Mean Minus Mean Of Terms Subtracted
So new Mean Is 12 - 2.5
9.5.
This Is The Solution.
Hope It Helped.
;)
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