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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
Up from right to left
B
Left from bottom to top
C
Up from left to right
D
Down from left to right
2) What direction does a negative correlation scatter plot go?
A
Up from top to bottom
B
Down from left to right
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
Fishing Line
C
Line of Scrimmage
D
Math Line
4) A linear scatter plot will take the shape of a___________?
A
Circle
B
Curve
C
Line
D
Exponential
5) If the plots of a scatter plot are very close to the trend line, the correlation is said to be __________?
A
Strong
B
Exponential
C
Weak
D
Non-linear
6) If the plots of a scatter plot are loosely along the trend line, the correlation is said to be _________?
A
No correlation
B
Positive
C
Strong
D
Weak
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
In a line going down
D
Piled up in one location
8) Scatter plots are used to determine ___________
A
If a relationship exists between data
B
to find a slope
C
to determine the y-intercept
D
If a student knows how to graph
9) Scatter plots compare how many categories of data?
A
2
B
3
C
5
D
4
10) Scatter plots can help you to _________________?
A
graph linear equations
B
redict unplotted data
C
determine if an inequality exist between 3 pieces of data
D
determine your grade in class
*select an answer for all questions
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