Question: 1. Consider this small population with mean =10: Population A 8 9 10 11 12 a) Calculate the Variance b) Calculate the stande deviation c)

1. Consider this small population with mean =10: Population A 8 9 10 11 12 a) Calculate the Variance b) Calculate the stande deviation c) Interpret the stande deviation at any conventional level 2. Suppose that the mean and standard deviation of last year\" s mid-semester exam marks are 70 and 5, respectively. If the histogram is bell-shaped, what do know about the distribution of the marks? (Hint interpret the SD).|

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