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in a test of 45 questions with answers a,b, and c which one of them is correct. find the variance. round to the nearest whole number a.) 10 B.) 8 C.)...

in a test of 45 questions with answers a,b, and c which one of them is correct. find the variance. round to the nearest whole number

a.) 10 B.) 8 C.) 7 D.) 3

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