Lines of Best Fit (A1.2.2.2.1)

Which graph shows a line that best fits the data?

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Which graph shows a line that best fits the data?

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Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

Which of the following lines represents the line of best fit for the scatter plot?

• A
• B
• C
• D

What is the best equation of a line of best fit for the scatter plot?

What is the best equation of a line of best fit for the scatter plot?

• y = x + 7

• y = -x + 7

• y = 7x

• y = -7x

What is the best equation of a line of best fit for the scatter plot?

The scatter plot shows the relationship between the average temperature at a sports stadium and bottled water sales. Which of the following is the equation of the line of best fit?

• y = 0.10x - 2

• y = 0.10x + 2

• y = 8x + 60

• y = 10x + 60

The scatter plot below shows how the number of baseball cards sold each day at a card store is related to the cost of each baseball card. What is the equation for the line of best fit?

The scatter plot shows the relationship between the number of chapters and the total number of pages for several books.  Use the trend line to predict how many chapters would be in a book with 180 pages. 

• 12 chapters
• 15 chapters
• 18 chapters
• 21 chapters