Linear Regression & Word Problems

Flashcard
•
Mathematics
•
9th Grade
•
Hard
+9
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15 questions
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1.
FLASHCARD QUESTION
Front
What is Linear Regression?
Back
Linear Regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables by fitting a linear equation to observed data.
Tags
CCSS.8.SP.A.2
2.
FLASHCARD QUESTION
Front
What does the equation of a line look like in slope-intercept form?
Back
The equation of a line in slope-intercept form is y = mx + b, where m is the slope and b is the y-intercept.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
3.
FLASHCARD QUESTION
Front
What is the slope in a linear equation?
Back
The slope (m) represents the rate of change of the dependent variable (y) with respect to the independent variable (x). It indicates how much y changes for a one-unit change in x.
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the y-intercept in a linear equation?
Back
The y-intercept (b) is the value of y when x is 0. It represents the point where the line crosses the y-axis.
5.
FLASHCARD QUESTION
Front
How do you write an equation from a word problem involving two variables?
Back
Identify the variables, determine the relationship between them, and set up an equation based on the information provided.
Tags
CCSS.6.EE.C.9
6.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional axis.
Tags
CCSS.8.SP.A.1
7.
FLASHCARD QUESTION
Front
What does a positive association in a graph indicate?
Back
A positive association indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
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