Linear Models for Two-Variable Data
Quiz
•
Mathematics
•
11th Grade
•
Practice Problem
•
Hard
+1
Standards-aligned
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10 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the purpose of a scatterplot in data analysis?
To solve linear equations
To list data in a table
To display a single value
To visualize the relationship between two variables
Tags
CCSS.6.EE.B.6
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the line of best fit represent?
The strongest data point
The general trend in the data
The highest y-value
The midpoint of the x-values
Tags
CCSS.HSF.LE.B.5
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Which equation form represents a linear model?
Tags
CCSS.8.F.A.3
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What does the slope in a linear model indicate?
The initial value of y
The rate of change between variables
The midpoint of data points
The highest data value
Tags
CCSS.8.EE.B.5
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If a scatterplot shows a downward trend, what is the slope of the line of best fit?
Positive
Zero
Negative
Undefined
Tags
CCSS.8.EE.B.5
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
A scatterplot shows study hours vs. test scores. What is the independent variable?
Test scores
The line of best fit
The slope
Study hours
Tags
CCSS.8.EE.B.5
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How do you determine the slope of the line of best fit from a scatterplot?
Find the highest and lowest points on the graph
Identify two points on the line and use the slope formula
Count how many points are above and below the line
Multiply the x-values by the y-values
Tags
CCSS.8.EE.B.5
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