10 free MCAS practice questions in the real exam format, covering the official content areas, with an explanation for every answer.
MCAS Practice Test 9Tutor mode
Question 1 of 10
Statistics and Probability
This question has three parts. Volunteers at the Riverbend Park cleanup recorded how many hours, x, they worked and how many bags of litter, y, they each collected. The scatter plot shows the data for 10 volunteers. A line of fit for the data is y=2.38x+1.73.
Part A: Use the line of fit to predict the number of bags of litter collected by a volunteer who works for 6.5 hours.