For a music concert, organizers originally stated that 850 people attended the concert. The final attendance was actually 922. Which of the following represents the approximate percent error of the original attendance? A. 4.1 %

B. 7.2 %

C. 7.8 %

D. 8.5%

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.