Association
Predicting
Correlation
Predicting
MAD
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/negative)
The data show that as the number of length of feet increases, the distance of the long jump _______
positive and increases
100
Using the scatterplot below, come up with a reasonable estimate for y when x = 5
About 20
100
What is the mean absolute deviation of the numbers in the list?
67, 76, 77, 66, 67
4.72
200
If a scatterplot has no association then...
...it doesn't form a line
200
About how many male math teachers were there in 2006?
35
200
Describe the correlation in the graph shown.
Weak Negative
200
Using the scatterplot below, come up with a reasonable estimate for x when y = 60
Around 19 or 20
200
What is the mean absolute deviation of the numbers in the list?
102, 355, 232, 198, 225
57.92
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
Using the scatterplot below, come up with a reasonable estimate for y when x = 13
Around 40-45
300
What is the mean absolute deviation of the numbers in the list?
221, 903, 676, 452
226.5
400
Describe the association between the number of lanes rented and the number of people bowling. (positive/negative, linear/nonlinear)
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
Using the scatterplot below, come up with a reasonable estimate for y when x = 10
Around 20
400
What is the mean absolute deviation of the numbers in the list?
43, 22, 53, 19, 37
11.44
500
Describe the association for the graph. (positive/negative/no and linear/non-linear
Non-Linear and No association
500
What is a line of best fit used for?
To make predictions
500
A. As the temperature increases, the sales increases.
B. As the temperature increases, the sales decreases.
C. As the temperature increases, the sales remains the same.
D. There is no apparent association between the temperature and sales.
A
500
Using the scatterplot below, come up with a reasonable estimate for x when y = 10
Around 12
500
What is the mean absolute deviation of the numbers in the list?
1, 2, 3, 4, 5, 6, 7
1.71