Math, asked by mannukhanshahzaad70, 6 months ago

7. The mean of 25, 24, 23, 21, 20, 22, 19, 18 and x is 25. Find x

Ans.= 53

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Answers

Answered by 28ky2005

3

Answer:

53

Step-by-step explanation:

mean=sum of all observation/total no. of observation

25=25+24+23+21+20+22+19+18+x/9

25×9=172+x

225-172=x

x=53

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