How many laps can a bicycle make around the park in 11 minutes?
Making Predictions About Scatterplots

Quiz
•
Mathematics
•
8th Grade
•
Hard
Anthony Clark
FREE Resource
10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
44 laps
12 1/2 laps
20
23
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A researcher gathered data to predict the number of new types of plants (y) that will be in a state park after x years. After making a scatter plot of the data, she determined the equation of a line of best fit to be
y = 0.25x + 8
Based on the equation, what is the number of new types of plants that will be in the park after 24 years?
8
14
32
64
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Describe the correlation coefficient if
r = 0.90
Positive, weak
Positive, strong
Negative, weak
Negative, strong
4.
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
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient
r = 1
r = -1
r ≈ -0.8
r ≈ 0.8
r ≈ -0.5
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Estimate the correlation coefficient.
r is close to zero
r is close to -1
r is close to 1
r is close to -1.5
r is close to 1.5
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Based on this scatterplot, approximately what score would a student with 6 absences expect to receive on the final exam?
65
92
67
76
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