If different values of variable x are 9.8,5.4,3.7,1.7,1.8,2.6,2.8,8.6,10.5and11.1; find the mean.
A
5.8
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B
7.8
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C
9.8
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D
None of these
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Solution
The correct option is A5.8 Values of x are: 9.8,5.4,3.7,1.7,1.8,2.6,2.8,8.6,10.5and11.1 Mean=SumCount Mean=9.8+5.4+3.7+1.7+1.8+2.6+2.8+8.6+10.5+11.110 Mean=5810 Mean=5.8