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1. Find the mean, variance and standard deviation of the given data. (1) Overtime Hours The number of overtime hours worked in one week per employee. Overtime hours 0 1 2 3 4 5 6 Employee 6 12 29 57 42 30 16 (2) Television The number of televisions per household in a small town. Televisions 0 1 2 3 Households 26 442 728 1404
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