The following relative frequency distribution was constructed from a sample of 50. Class ....Relative Frequency 0 up

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The following relative frequency distribution was constructed from a sample of 50.

Class ....Relative Frequency

0 up to 2 ...0.34

2 up to 4 ...0.20

4 up to 6 ...0.40

6 up to 8 ..0.06


a. Calculate the sample mean, 

b. Calculate ample variance, and the sample standard deviation.

Distribution
The word "distribution" has several meanings in the financial world, most of them pertaining to the payment of assets from a fund, account, or individual security to an investor or beneficiary. Retirement account distributions are among the most...
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