Respuesta :
The mean of the set is 11.69 while the variance is 10.78.
How to solve for the mean
= ∑fx / n
= 7.3 + 8.6 + 10.4 + 16.1 + 12.2 + 15.1 + 14.5 + 9.3
= 93.5/8
= 11.69
How to solve for the variance
Using this excel function =VAR(7.3,8.6,10.4,16.1,12.2,15.1,14.5,9.3)The variance is calculated as 10.78
Hence we can conclude that the mean of the set is 11.69 while the variance is 10.78
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