Scatter Plots and Trend Lines

Flashcard
•
Mathematics
•
7th - 12th Grade
•
Hard
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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 axis.
2.
FLASHCARD QUESTION
Front
What does a positive correlation indicate in a scatter plot?
Back
A positive correlation indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative correlation indicate in a scatter plot?
Back
A negative correlation indicates that as one variable increases, the other variable tends to decrease.
4.
FLASHCARD QUESTION
Front
What does it mean if there is no correlation in a scatter plot?
Back
No correlation means that there is no apparent relationship between the two variables; changes in one variable do not predict changes in the other.
5.
FLASHCARD QUESTION
Front
What is a line of best fit?
Back
A line of best fit is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.
6.
FLASHCARD QUESTION
Front
How can you estimate values using a line of best fit?
Back
You can estimate values by finding the corresponding y-value on the line of best fit for a given x-value.
7.
FLASHCARD QUESTION
Front
What is the purpose of using scatter plots in data analysis?
Back
Scatter plots are used to visually assess the relationship between two variables and to identify trends, patterns, or outliers.
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