# Section 6.2 - Lines Of Best Fit

5 Questions | Total Attempts: 736  Settings  Complete the following questions

• 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

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