Scatter Plot Problems

Scatter plots are almost always graphed in which quadrant?

• first

• second

• third

• fourth

What is a scatter plot?

• A graph that shows the relationship of two data sets.

• A graph drawn using rectangular bars to show how large each value is.

• A graph that shows information that is connected in some way.

• A graph that shows data changing over time.

In a scatterplot, an outlier...

• ...is something we didn't learn 8th grade

• ...is a puppet with a long nose named Pinocchio

• ...is a point that is far outside the main cluster of points/ordered pairs

• ...is a really naughty point who doesn't tell the truth when outside

What is the title of this graph?

• Visitors

• Average Daily Temperature

• Beach Visitors

• Farenheit

Tags

CCSS.8.EE.B.5

The scatter plot shows the amount of money donated to a charity from 2007 to 2012.

In what year did the charity receive $150,000?

• 2007

• 2009

• 2010

• 2011

Tags

CCSS.HSF.IF.A.2

A set of points plotted close together: _________

• outlier

• cluster

• outstander

• contiguous

Which of the following would have a negative correlation?

• number of people riding on a train and number of empty seats

• time a car is driven and distance traveled

• hours worked and amount of paycheck

• number of rain storms in a city and pounds of dog food sold

Mrs. Sowell gathered data from her first block class to determine if there is a correlation between practice problems attempted by a student and a student's test score. Below are the results written as (problems attempted, test score). (58, 100) , (65, 98), (26, 50), (4, 0), (60, 96), (30, 55) In general, as the number of problems attempted goes up, the test score goes ________.

• up

• down

• no correlation

What type of correlation does this graph have?

• positive

• negative

• none

• all of the above

Mrs. Collins made a scatterplot to show the relationship between the number of absences and a student’s final exam score. Based on this scatterplot, a student with 12 absences should get approximately what score on the final exam?

• 60

• 92

• 70

• 76