The following relative frequency distribution was constructed from a population of 200. Calculate the population mean, the

Question:

The following relative frequency was constructed from a population of 200. Calculate the population mean, the population variance, and the population standard deviation.
Class .... Relative Frequency
220 up to 210 ... 0.35
210 up to 0 ..... 0.25
0 up to 10 ..... 0.40
10 up to 20 ..... 0.05

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...