What is a trend line?
Trend Lines and M.A.D.

Flashcard
•
Mathematics
•
8th Grade
•
Hard
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1.
FLASHCARD QUESTION
Front
Back
A trend line is a straight line that best represents the data on a scatter plot, showing the general direction of the data points.
2.
FLASHCARD QUESTION
Front
What does a positive association in a scatter plot indicate?
Back
A positive association indicates that as one variable increases, the other variable also tends to increase.
3.
FLASHCARD QUESTION
Front
What does a negative association in a scatter plot indicate?
Back
A negative association indicates that as one variable increases, the other variable tends to decrease.
4.
FLASHCARD QUESTION
Front
What does 'no association' mean in the context of scatter plots?
Back
No association means there is no discernible relationship between the two variables being plotted.
5.
FLASHCARD QUESTION
Front
How do you identify a linear relationship in a scatter plot?
Back
A linear relationship is identified when the data points form a pattern that can be approximated by a straight line.
6.
FLASHCARD QUESTION
Front
What is Mean Absolute Deviation (M.A.D.)?
Back
Mean Absolute Deviation (M.A.D.) is a measure of the average distance between each data point and the mean of the data set.
7.
FLASHCARD QUESTION
Front
How do you calculate the Mean Absolute Deviation?
Back
1. Find the mean of the data set. 2. Subtract the mean from each data point and take the absolute value. 3. Find the average of these absolute values.
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