Association
Predicting
Correlation
Correlation vs. Causation
Mean, Median, Mode and Range
Comparing Data Sets
Solving Equations
100
What type of association does this graph have?
Negative.
100
Based on the graph, if Joe earned $400, how many hours did he work?
25 hours
100
What is the correlation between length of running start and distance of jump?
positive: the further you run the further you jump
100
If two variables have a strong correlation, it mathematically proves that one causes the other. True or False?
False
100
Find the mode.
9, 3, 5, 3, 6, 5, 7, 5, 4
5
100
Which class has a higher mode?
Class 2
100
How many solutions does this equation have?
5x + 5 = 0
One
200
If a scatterplot has no association then...
...its ordered pairs have no predictable pattern
200
About how many male math teachers were there in 2006?
35
200
Describe the correlation in the graph shown.
Weak Negative
200
Causation means one event or variable directly causes a change in another event or variable. True or False?
True
200
Find the minimum value.
9, 3, 5, 3, 6, 5, 7, 5, 4
3
200
Which class has a higher median?
Class 2
200
How many solutions does this equation have?
4(5x - 3) = 20x - 3
None
300
What is the type of correlation?
no association
300
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 6 absences should get approximately what score on the final exam?
76
300
What type of correlation does this graph have?
positive
300
If there is correlation between shoe size and reading level, can we assume there is also causation?
No
300
Find the median.
9, 3, 5, 3, 6, 5, 7, 5, 4
5
300
Which store has a larger Interquartile Range.
Store 2
300
How many solutions does this equation have?
4x - 20 = 4(x - 5)
Infinitely many
400
Describe the association between the number of lanes rented and the number of people bowling.
Positive linear association
400
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.
18 chapters
400
What type of correlation does this scatter plot show?
negative linear association
400
The more people that carry umbrellas, the more car accidents occur. Is this an example of causation?
No
400
Find the range.
9, 3, 5, 3, 6, 5, 7, 5, 4
6
400
Which store has the lower median value?
Store 1
400
If the number of variables is different on the two sides of an equation, what do you know?
The equation has one solution.
500
Describe the association for the graph.
Non-Linear and No association
500
What is a line of best fit used for?
To make predictions
500
What type of correlation (association)?
The outside temperature and the amount of layers you wear.
Negative correlation
500
There is correlation and causation between smoking and lung cancer. True or False?
True
500
Find the mean.
9, 3, 5, 3, 6, 5, 7, 5, 4
5.2
500
What is the difference between the two teams' medians?
4
500
Find the solution.
4(x + 4) = 2(3x - 6)
x = 14