Scatterplots and Linear Regression
Flashcard
•
Mathematics
•
1st Grade
•
Practice Problem
•
Hard
+4
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatterplot?
Back
A scatterplot is a type of graph that shows the relationship between two sets of data by displaying points on a grid.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a linear regression line do?
Back
A linear regression line shows the best fit line through a scatterplot, helping to predict values based on the data.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
What does the y-intercept represent in a linear equation?
Back
The y-intercept is the value of y when x is 0; it shows where the line crosses the y-axis.
4.
FLASHCARD QUESTION
Front
What does a strong positive correlation mean?
Back
A strong positive correlation means that as one variable increases, the other variable also increases.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What does a scatterplot with no relationship look like?
Back
A scatterplot with no relationship shows points that are scattered randomly with no clear pattern.
Tags
CCSS.HSF-LE.A.1B
6.
FLASHCARD QUESTION
Front
How do you predict a value using a linear regression equation?
Back
To predict a value, substitute the x value into the equation and solve for y.
Tags
CCSS.HSF.IF.A.2
7.
FLASHCARD QUESTION
Front
What is the formula for a linear regression line?
Back
The formula for a linear regression line is usually written as y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.5
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