1.

Find the value of x if mean is 13. 12,16,15,x,12,14,10

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Answer:

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Step-by-step explanation:

MEAN= sum of observations/no. of observations

12+16+15+x+12+14+10/7=13

76+x= 13×7

x= 91-76

x=15

Ans= 15



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