out of 25 number the main medium of 15 number is 36 and the mean of the remaining number is 26 find the mean of all the 25 number
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Step-by-step explanation:
No of observations is 25
Mean of 15 observations is 36
Sum of observations is 36×15=540
Mean of 10 observations is 26
Sum of observations is 26×10=260
Total sum is 540+260=800
Mean of the dta is
25
800
=32
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