The mean of 4,9,10 and x is 8. Find x
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Answered by
6
Answer:
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Step-by-step explanation:
no. of observations =4, mean =8
therefore, mean= sum of observations/ no. of observations
so, 4+9+10+x/43D8
23+x=8*4
x=32-23
x= 9 ans....
Answered by
2
Answer:
Answer is 9
Step-by-step explanation:
4+9+10+x/4=8
23+x/4=8
23+x=32
x=9
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