Boxplots and Scatterplots

What is the upper quartile?

• 39

• 50

• 55

• 68

What is the lower quartile?

• 39

• 40

• 35

• 50

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

What is the median?

• 89cm

• 98cm

• 30cm

• 120cm

What was the longest length?

• 158cm

• 159cm

• 120cm

• 148cm

Describe the strength and direction of the trend

• Moderate Negative Trend

• Strong Negative Trend

• Moderate Positive Trend

• Strong Positive Trend

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

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

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 type of association does this graph have?

• positive 

• negative

• none

• all of the above