Correlation/Association
Vocabulary
Draw a LOBF
LOBF
Holly Jolly Hodgepodge
100
Positive
100
When one variable increases, the other variable increases as well.
Positive Correlation
100
Great
100
y = -2x + 9
100
In the classic, How The Grinch Stole Christmas, the Grinch was described with three words. What are they?
Stink, Stank, Stunk
200
No Correlation
200
A value that differs significantly from the other data points in a set
Outlier
200
Great
200
y = 5x + 25
200
In the movie It’s A Wonderful Life, what happened every time a bell rang?
An angel gets its wings
300
Negative Nonlinear Correlation
300
When data seems to be "gathered" around a particular value.
Clustering
300
Great
300
y = 21/5x + 18
300
Christmas was illegal in the U.S. until what year?
1836
400
The number of songs downloaded on your i-pod and the amount of memory available
Negative Correlation
400
When one variable increases and it does not affect the other variable.
No Correlation
400
Great
400
A city manager made a scatter plot of the number of retail stores in a certain city over the years. The scatter plot had a trend line with an equation of y = 11x + 12, where y is the total number of retail stores and x is the number of years since 1990.
Tracy and her family moved to the city in 2003. Use the equation to predict how many retail stores there were in 2003
155 Stores
400
In his song, Heatmiser rhymes what word with degrees?
Degrees
500
The amount of time spent on the computer instant messaging your friends and the number of computers in your house
No Correlation
500
Scatter plots whose pattern has points that seem to generally fall along a curved line
Nonlinear Correlation
500
Great
500
A city manager made a scatter plot of the number of retail stores in a certain city over the years. The scatter plot had a trend line with an equation of y = 11x + 12, where y is the total number of retail stores and x is the number of years since 1990.
When Darryl and his family moved to the city, there were 133 retail stores in the city. Use the equation to predict what year Darryl’s family moved to the city.
2001
500
What is the best-selling Christmas song ever?
“White Christmas” by Bing Crosby