Scatter Plot Problems

Select all the representations that are appropriate for comparing exam score to number of hours of sleep the night before the exam.

• Histogram

• Scatter plot

• Dot plot

• Table

• Box plot

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

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 type of association does this graph have?

• positive

• negative

• none

• all of the above

When graphing points for a scatter plot, we should NOT...

• use a line of best fit for predicting

• connect the dots

• look for a pattern

• label each axis

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 represents the x axis?

• ABC Company

• Hours Worked

• Amount Earned in Dollars

• Hours in Car

Looking at the graph showing a line of best fit, what is the correlation shown?

• Length of life is constant

• Length of life increases as amount of sunlight increases

• Length of life increases as amount of sunlight decreases

• Length of life decreases as amount of sunlight increases

Describe the correlation in the graph shown.

• Strong Negative

• Strong Positive

• Weak Negative

• Weak Positive

Which of the following has a positive correlation?

• Number of hours studied and number of questions missed on an exam

• number of keys on a piano and number of tickets sold to a baseball game

• time a candle burns and length of candle

• Pounds of bananas purchased and cost