An economist calculates that the correlation between walnut prices and peanut prices is r=
q2. you can most likely conclude:
a. there is almost no relation between walnut prices and peanut prices.
b. when walnut prices are above average peanut prices are almost certainly above
average.
c 20% of the variation in walnut prices is explained by a linear relationship with
peanut price.
d. when walnut prices are above average peanut prices tend to be below average.
b. when peanut prices change by $1, walnut prices change by $20.