Section 6.2 - Lines Of Best Fit

5 Questions | Total Attempts: 481

SettingsSettingsSettings
Please wait...
Section 6.2 - Lines Of Best Fit

Complete the following questions


Questions and Answers
  • 1. 
    This scatter plot shows the annual profits for the past ten years for Ellen's business designing greeting cards.  Use the graph to estimate the profit in the 9th year.
    • A. 

      $12 500

    • B. 

      $13 200

    • C. 

      $13 500

    • D. 

      $14 000

  • 2. 
    This scatter plot shows daily low temperature s in Banff National Park for the first ten days of July. What is the equation for the line of best fit?
    • A. 

      Y = x + 4

    • B. 

      Y = 7/3x + 2/3

    • C. 

      Y = 7/3x + 16/3

    • D. 

      Y = x + 2

  • 3. 
    The scatter plot shows the fuel consumption for vehicles of various weights.  Use the graph to estimate the weight of a car that consumes fuel at a rate of 5L / 100km. 
    • A. 

      1.0 tonne

    • B. 

      1.06 tonnes

    • C. 

      1.1 tonnes

    • D. 

      1.6 tonnes

  • 4. 
    The following data show the video game rankings of two students, from least favorite (1) to most favorite (10).  Which is the equation for the line of best fit?
    • A. 

      Y = -0.75x + 9.75

    • B. 

      Y = 0.75x + 8.25

    • C. 

      Y = 0.75x + 9.75

    • D. 

      Y = -0.75x + 8.25

  • 5. 
    The table shows the Olympic gold medal performance in high jump from 1948-1980.  Which shows a line of best fit for the data?
    • A. 

      Graph a

    • B. 

      Graph b

    • C. 

      Graph c

    • D. 

      Graph d