Mathematics challenge

Which term best describes the association between variables a and b? no association a negative linear association a positive linear association a nonlinear association a scatterplot with an x axis labeled, variable a from zero to ten in increments of two and the y axis labeled, variable b from zero to one hundred forty in increments of twenty with fifteen points in a positive trend.

What is the missing step in this proof ?

Find the value. a. 0.003 b. 0.03 c. 0.3 d. 3