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8th Grade Probability and Statistics Flashcards | StudBud
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8th Grade Probability and Statistics
8th Grade Probability and Statistics
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Questions
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Answers
1
True or False: Straight lines are used to model relationships between two variables?
True
False
2
What percent of the 60 students have a car and a phone?
50%
2%
100%
5%
3
Which equasion best models the data?
y= 2x
y=x
y=9x
y= x+9
4
What kind of correlation is this?
No Correlation
Positive Correlation
Negative Correlation
Nonlinear Correlation
5
Identify the y-intercept of the line of best fit for the data.
B. 20
C. 25
A. 0
D. 45
6
What is the slope of the line?
C
B
A
D
7
What kind of association is shown in this table?
Positive
No association
None of the above
Negative
8
What is this association called?
Positive Correlation
Perfect Negative Correlation
Perfect Correlation
Perfect Positive Correlation
9
Which graph represents a line of best fit for the data?
A
C
B
D
10
True or False: This is a positve correlation
False
True
