Scatter Plot, Trend Lines, Two-Way Table and Frequency Tables

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

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

• graph 1

• graph 2

• graph 3

• graph 4

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 )

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

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

According to the two-way table, a person who plays an instrument is most likely to:

• Not play an instrument

• Not play a team sport

• Play a team sport

• All of the above

What type of correlation does this scatterplot display?

• Positive

• Negative

• No Correlation

What type of relationship does this graph show?

• Positive

• Negative

• No Relationship

• Constant 

The following scatter plot shows Pam's training as she prepares to run a 6 mile race at the end of the month.  Which of the following would be a reasonable approximation for the length of time it would take for her to run 6 miles? 

• 50 min

• 80 min

• 45 min

• 60 min