SAT Practicefdc411ff-1365-4fd5-a32d-1023475eb0e3

Practice one SAT question at a time

Questions come from the Bluebook question bank. Made by Iskaa303 (Iskander Madikhan).

A group of 10 botanists recorded data on the germination rates of a certain type of seed for one growing season. The scatterplot shows the relationship between the number of seeds planted, x , and the number of seeds that germinated, y , for each of the botanists. A line of best fit is also shown. 

100200300400500x100200300400500yO
  • The scatterplot has 10 data points.
  • The data points are in a linear pattern trending up from left to right. 
  • A line of best fit is shown: 
    • The line of best fit slants up from left to right.
    • The line of best fit passes through the following approximate coordinates:
      • (0 comma 0)
      • (200 comma 120)
      • (500 comma 300)

Which of the following is the best interpretation of the slope of the line of best fit in this context?