Positive and Negative Relationships in Scatter Plots

Quiz
•
Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
11 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient.
r is close to 1
r is close to -1
r is close to 0
r is close to -0.5
r is close to 0.5
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Data is analyzed comparing hours studied and grades. It is determined that the correlation coefficient is 0.92. What does this mean?
There is a strong positive correlation between studying and grades.
There is a strong negative correlation between studying and grades.
There is a weak positive correlation between studying and grades.
There is a weak negative correlation between studying and grades.
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which of the following graphs do we use to represent bivariate data?
Histogram
Bar Graph
Scatter Plot
Pie Chart
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
The relationship and measure of a linear association that is shown by the two variables in a scatter plot is often called:
Causation
Correlation
Outlier
Can be called all of the above.
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
To describe the direction of an association we use:
Positive/Negative
Linear/Non-Linear
Weak/Moderate/Strong
Outliers
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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.
12 chapters
15 chapters
18 chapters
21 chapters
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
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?
65
92
68
76
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