Scatterplots and trendlines
Flashcard
•
Mathematics
•
7th - 8th Grade
•
Practice Problem
•
Hard
+3
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 graph that shows the relationship between two quantitative variables by displaying data points on a two-dimensional grid.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a trendline represent in a scatterplot?
Back
A trendline, or line of best fit, represents the general direction or pattern of the data points in a scatterplot.
Tags
CCSS.8.SP.A.2
3.
FLASHCARD QUESTION
Front
What does a positive correlation indicate?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What does a negative correlation indicate?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What is the mean?
Back
The mean is the average of a set of numbers, calculated by adding all the values together and dividing by the number of values.
Tags
CCSS.6.SP.B.5C
6.
FLASHCARD QUESTION
Front
How can you identify a strong positive correlation in a scatterplot?
Back
A strong positive correlation is identified when the data points closely follow a straight line that slopes upwards from left to right.
Tags
CCSS.HSS.ID.B.5
7.
FLASHCARD QUESTION
Front
What is the purpose of the line of best fit?
Back
The line of best fit is used to predict values and understand the relationship between the variables in a scatterplot.
Tags
CCSS.8.EE.B.5
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