WorksheetsScatter Plots and Data Unit Review
Total questions: 16
Worksheet time: 37mins
Describe the type of association:
The length of a movie and the number of actors in the movie.
Positive, longer movies have more actors
Negative, longer movies have less actors
No association, the length of a movie does not affect the number of actors
There is not enough information.
Describe the association:
The number of hours a musician practices and the number of mistakes the musician makes in a performance.
Positive. The more hours practicing the more mistakes are made in the performance
Negative. The more hours practicing, the less mistakes in a performance.
No association.
There is no association between practice hours and mistakes in a performance.
There is not enough information.
George is looking at two sets of numerical data and sees that as one set decreases the other set also decreases. What type of association is this?
Positive, because both variables are decreasing.
Negative, because both variables are decreasing.
No association, because both variables are decreasing.
There is not enough information.
The first variable in a scatter plot is the square footage of a building. Select the variable that would likely result in a positive association.
The number of cats in the building.
The cost of utilities.
The number of trees in the yard.
The cost of gas for their car.
Describe the association for the graph.
Linear and Positive
Linear and Negative
Non-Linear and Positive
Non-Linear and Negative
Non-Linear and No Association
Which scatterplot does NOT suggest a linear relationship between x and y?
Which scatterplot shows clustering of the data?
Identify any outliers.
(12, 21)
(6, 30)
(6, 10)
There aren't any outliers in this graph.
Make a prediction for a resting heart rate after 5 hours of exercise a week.
5
60
55
65
Find the Mean Absolute Deviation: (MAD)
10, 9, 3, 8, 10.
3
5
1
2
Which mean absolute deviation would have a greater variability or spread? 4.2 or 8.5?
(a)
What is Mean Absolute Deviation?
The mean of the data
The absolute value of the mean
The variation of data values around the mode
The average distance between the data values and the mean
