The following frequency distribution has a sample mean of -3.5 and a sample standard deviation of 9.7.

Question:

Class ............................ Frequency

Less than -10 ....................... 70

-10 up to 0 .......................... 40

0 up to 10 ............................ 80

10 or more ........................... 10

At the 1% significance level, use the goodness-of-fit test for normality to determine whether or not the data are normally distributed?

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...