Math 8 - Scatterplots and Trend Lines (Flashcard 11.2)
Flashcard
•
Mathematics
•
8th Grade
•
Practice Problem
•
Hard
+9
Standards-aligned
Wayground Content
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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 quantitative 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
How do you determine the slope of a trend line?
Back
The slope of a trend line is calculated by the formula: slope (m) = (change in y) / (change in x).
Tags
CCSS.8.EE.B.5
4.
FLASHCARD QUESTION
Front
What is the y-intercept in the equation of a line?
Back
The y-intercept is the value of y when x is 0, represented as 'b' in the equation of a line, y = mx + b.
Tags
CCSS.8.EE.B.6
CCSS.8.F.A.3
5.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows no correlation?
Back
No correlation means that there is no apparent relationship between the two variables; the data points do not follow a pattern.
Tags
CCSS.HSS.ID.B.5
6.
FLASHCARD QUESTION
Front
What is an outlier in a data set?
Back
An outlier is a data point that differs significantly from other observations in a dataset, often appearing far away from the trend.
7.
FLASHCARD QUESTION
Front
How can you identify an outlier in a scatter plot?
Back
An outlier can be identified as a point that is distant from the cluster of other points in the scatter plot.
Tags
CCSS.8.SP.A.1
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