# Find the mean, variance and standard deviation of the given data

**Question description**

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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