I need help please help me

Create a data set with 8 points in it that has a mean of approximately 10 and a standard deviation of approximately 1.

Which of the following represents the range of the graph of f(x) below

Alcoa was $10.02 a share yesterday. today it is at $9.75 a share. if you own 50 shares, did ou have capital gain or loss ? how much of a gain or loss did you have ? express the capital gain/loss as a percent of the original price