Find !
Consider the following data.
.
If the average of the data is then the value is . . . .
The answer is 8.
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The sum is 60+2k and the average is 7.6.
Average is sum/total no.of data = (60+2k)/10 = 6+k/5 = 7.6.
Thus, k/5 = 1.6 and k = 1.6 x 5 = 8.