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In the frequency distribution below, calculate the: 1. variance 2. Standard Deviation 3. Skewness 4. kurtosis No. of Hours Employees 46-50 35 41-45 26 36-40

In the frequency distribution below, calculate the:

1. variance

2. Standard Deviation

3. Skewness

4. kurtosis

No. of Hours Employees
46-50 35
41-45 26
36-40 13
31-35 8
26-30 9
21-25 4
16-20 5

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