Scatterplots and Two Way Tables Review

What kind of slope would the graph of the model have?

• Positive

• Negative

• There's no association

What is a line of best fit used for?

• To make predictions

• To make the graph look pretty

• To connect the points

• To make it look like you know what you are doing

How many sophomores like burritos and pizza?

• 6

• 5

• 11

• 50

Of the mechanical engineers, what is the probability that math is their favorite subject?

• 91

• 52%

• 17%

• 35%

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

What is the correlation between length of running start and distance of jump?

• positive:  the further you run the further you jump

• negative: the less you run the less distance of your jump

• positive: the further your running start the less your distance

What type of correlation does this scatterplot display?

• Positive

• Negative

• No Correlation

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

Which graph shows the best trend line for the scatter plot?

• Graph A

• Graph B

• Graph C

• Graph D

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

• A

• B

• C

• D