Emmanuelamp14301 Emmanuelamp14301

23-01-2024
Mathematics

contestada

The mean of the numbers a, b, 8, 5, 19 is 6, and the variance is 6.80. Then which one of the following gives possible values of a and b?
a) a = 2, b = 7
b) a = 4, b = 8
c) a = 6, b = 5
d) a = 8, b = 2

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