Scatter Plots and Trend Lines

Flashcard
•
Mathematics
•
7th - 12th Grade
•
Hard
+1
Standards-aligned
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15 questions
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1.
FLASHCARD QUESTION
Front
What is a scatter plot?
Back
A scatter plot is a graph that shows the relationship between two variables by displaying data points on a two-dimensional grid.
Tags
CCSS.8.SP.A.1
2.
FLASHCARD QUESTION
Front
What does a trend line represent in a scatter plot?
Back
A trend line is a straight line that best represents the data points in a scatter plot, indicating the general direction of the data.
Tags
CCSS.8.EE.B.5
3.
FLASHCARD QUESTION
Front
What is positive correlation in a scatter plot?
Back
Positive correlation occurs when an increase in one variable leads to an increase in another variable, resulting in an upward trend.
Tags
CCSS.HSS.ID.B.5
4.
FLASHCARD QUESTION
Front
What is negative correlation in a scatter plot?
Back
Negative correlation occurs when an increase in one variable leads to a decrease in another variable, resulting in a downward trend.
Tags
CCSS.HSS.ID.B.5
5.
FLASHCARD QUESTION
Front
What does no correlation mean in a scatter plot?
Back
No correlation means there is no apparent relationship between the two variables, and the data points do not show any trend.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
How can you estimate the slope of a trend line?
Back
The slope of a trend line can be estimated by calculating the change in the y-values divided by the change in the x-values between two points on the line.
Tags
CCSS.8.EE.B.5
7.
FLASHCARD QUESTION
Front
What is the range of the correlation coefficient (r)?
Back
The correlation coefficient (r) ranges from -1 to 1, where -1 indicates a perfect negative correlation, 1 indicates a perfect positive correlation, and 0 indicates no correlation.
Tags
CCSS.HSS.ID.C.8
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