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8th Grade Scatter Plots
Test Description: Quiz questions over scatter plots
Instructions: Answer all questions to get your test result.
1) Which direction does a positive correlation scatter plot go?
A
Down from left to right
B
Left from bottom to top
C
Up from right to left
D
Up from left to right
2) What direction does a negative correlation scatter plot go?
A
Down from left to right
B
Up from top to bottom
C
Down from right to left
D
Up for left to right
3) Another name for a trend line is the _________?
A
Line of Best Fit
B
Line of Scrimmage
C
Fishing Line
D
Math Line
4) A linear scatter plot will take the shape of a___________?
A
Circle
B
Curve
C
Exponential
D
Line
5) If the plots of a scatter plot are very close to the trend line, the correlation is said to be __________?
A
Strong
B
Weak
C
Non-linear
D
Exponential
6) If the plots of a scatter plot are loosely along the trend line, the correlation is said to be _________?
A
Strong
B
No correlation
C
Weak
D
Positive
7) In order for there to be no correlation among the plots, they should be ________
A
Scattered all over
B
In a line going up
C
Piled up in one location
D
In a line going down
8) Scatter plots are used to determine ___________
A
If a student knows how to graph
B
to find a slope
C
If a relationship exists between data
D
to determine the y-intercept
9) Scatter plots compare how many categories of data?
A
2
B
5
C
4
D
3
10) Scatter plots can help you to _________________?
A
redict unplotted data
B
determine if an inequality exist between 3 pieces of data
C
determine your grade in class
D
graph linear equations
*select an answer for all questions
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