the mean attendance of a class from Monday to Saturday was 34. if the mean attendance on Monday ,Tuesday, Wednesday, and Thursday was 33 and that on Thursday, Friday and Saturday wss 35, find the attendance on Thursday..
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Answered by
23
(M + T ......S )/6 = 34
M + T .... S = 204
M + T + W+ TH = 132
TH + F + S = 105
ADD BOTH ABOVE
M + T .....S + TH = 237
204 + TH = 237
TH = 237-204
= 33
M + T .... S = 204
M + T + W+ TH = 132
TH + F + S = 105
ADD BOTH ABOVE
M + T .....S + TH = 237
204 + TH = 237
TH = 237-204
= 33
Answered by
14
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