Scatter Plots and Trend Lines Prediction
Flashcard
•
Mathematics
•
8th 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 variables by displaying data points on a two-dimensional axis.
2.
FLASHCARD QUESTION
Front
What does it mean if a point is an outlier in a scatter plot?
Back
An outlier is a data point that differs significantly from other observations in a scatter plot, indicating it does not fit the overall pattern.
3.
FLASHCARD QUESTION
Front
What is a trend line?
Back
A trend line is a straight line that best represents the data points in a scatter plot, showing the general direction of the data.
4.
FLASHCARD QUESTION
Front
How can you predict values using a trend line?
Back
You can predict values by extending the trend line and finding where it intersects with the value you want to estimate.
5.
FLASHCARD QUESTION
Front
What does it mean if a scatter plot shows no relationship?
Back
It means that there is no discernible pattern or correlation between the two variables being plotted.
6.
FLASHCARD QUESTION
Front
What is the purpose of using scatter plots in data analysis?
Back
Scatter plots help visualize relationships between variables, identify trends, and detect outliers.
7.
FLASHCARD QUESTION
Front
How do you identify a positive correlation in a scatter plot?
Back
A positive correlation is identified when the data points slope upwards from left to right, indicating that as one variable increases, the other also increases.
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