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Population mean and variance for mary grades

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Reference no: EM132167205

In her first year of university, Mary recieved the following grades:

11, 10, 7, 7, 10, 11

Similarly in his first year, Bob recieved the following grades:

9, 10, 8, 8, 5, 8

(a) Compute the population mean and variance for Mary's grades.

(b) Compute the population mean and variance for Bob's grades.

Reference no: EM132167205

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