Scatter Plots

What type of correlation does this graph have?

• Linear and Negative

• Non-Linear and No Association

• Linear and Positive

• Non-Linear and Negative

• Non-Linear and Positive

What type of correlation does this graph have?

• positive 
• negative
• none
• all of the above

The scatterplot shows the relationship between the weight in pounds and the age in weeks of a certain dog breed.

Based on the scatterplot, which is the best prediction of the weight in pounds of a dog that is 28 weeks old?

• 12 lbs

• 75 lbs

• 45 lbs

• 105 lbs

The scatterplot shows the relationship between the number of games a baseball team won in a season and the number of hours the team practiced each week during the season.

Based on the scatterplot, which is the best prediction of the number of games a baseball team won if the team practiced 3 hours each week during the season?

• 10 games

• 20 games

• 13 games

• 15 games

The scatterplot shows the height in centimeters and weight in kilograms of several students.

Based on the scatterplot, which is the best prediction of the height in centimeters of a students with a weight of 64 kilograms?

• 152 cm

• 160 cm

• 162 cm

• 156 cm

The scatterplot shows the low temperature and high temperature each day for a two week period of time.

Based on the scatterplot, which is the best prediction of the high temperature in degrees Fahrenheit on a day when the low temperature is 71 degrees F?

• 92 degrees F

• 101 degrees F

• 88 degrees F

• 100 degrees F

Students recorded the total number of pages and chapters in each of several books on the scatterplot.

Based on the scatterplot, which is the best prediction of the total number of pages in a book with 4 chapters?

• 150 pages

• 140 pages

• 90 pages

• 120 pages

The scatterplot shows the time spent playing a video game and the number of points scored by several students.

Based on the scatterplot, which is the best prediction of the number of points scored by a student who spends 45 minutes playing the video game?

• 1,200

• 920

• 1,060

• 1,300

Students in a science class investigated how the speed of sound changes with the air temperature outside. The data are shown in the scatterplot.

Based on the scatterplot, what is the best prediction of the speed of sound when the air temperature is 50 degrees Celsius?

• 350 m/s

• 355 m/s

• 360 m/s

• 365 m/s

Phil collected data from several of his friends about the number of hours they spent sleeping and the number of hours they spent playing video games on Saturday. He recorded the data in the scatterplot.

Based on the scatterplot, what is the best prediction of the number of hours one of Phil's friends spends sleeping when the friend spends 1 hour playing video games?

• 9 hours

• 8 hours

• 10 hours

• 7 hours