4-7: Scatterplots/Frequency Tables

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

• A
• B
• C
• D

Tags

CCSS.8.EE.B.5

Choose the graph with a trend line that best fits the data.

• graph 1

• graph 2

• graph 3

• graph 4

Tags

CCSS.8.EE.B.5

The graph and table show the number of pages and words in each book. Which book is the outlier? (Type just the number of the book )

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 220 pages.

• 22 chapters

• 20 chapters

• 18 chapters

• 26 chapters

• 17 chapters

Use the trend line to make a prediction for a resting heart rate after 6 hours of exercise a week.

• 6

• 50

• 55

• 80

• 45

The red line represents the line of best fit for the scatter plot. How many ice cream sales are expected if the temperature is 90°?

• 55

• 0

• 103

• 100

• 60

Tags

CCSS.8.EE.B.5

Write the y-intercept (b) of the trend line

Tags

CCSS.8.EE.B.5

What is the type of association?

• Negative 
• no association
• positive 

Tags

CCSS.HSS.ID.B.5

What percentage of males drive sports cars?

(calculator problem)

• 35%

• 14.25%

• 65%

• 25%

Tags

CCSS.8.SP.A.4

How many sophomores like burritos and pizza?

• 6
• 5
• 11
• 50