HELP PL coach loren wants one number to describe how all of the values in the data set vary, so Kerry should tell her to use a measure of

a. center

b. quantity

c. distribution

d. variation

e. correlation

Suppose there is a simple index of three stocks, stock abc, stock xyz, and stock qrs. stock abc opens on day 1 with 4000 shares at $3.15 per share. stock xyz opens on day 1 with 5000 shares at $4.30 per share. stock qrs opens on day 1 with 6000 shares at $4.60 per share. the price of stock abc on day 8 begins at $3.50. the price of stock xyz on day 8 begins at $3.90. stock qrs opens on day 8 with a price of $4.50 per share. assume that each stock has the same number of shares that it opened with on day 1. what is the rate of change of this simple index over 1 week?

Average acceleration: i have no idea how to do this.

X² + 4y² = 36 the major axis runs along: a) y=4x b) x-axis c) y-axis