If different values of variables x are 19.8,15.4,13.7,11.71,11.8,12.6,12.8,18.6,20.5 and 21.1 , find the mean .
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Answer:17.5(approx)
Step-by-step explanation:
Add the values
Divide by 9 cuz the no. Of values is 9
then u get ur answer
:)
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