What is the mean absolute deviation?
Data and Real Number System Final Review

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•
Mathematics
•
9th - 12th Grade
•
Hard
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15 questions
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1.
FLASHCARD QUESTION
Front
Back
The mean absolute deviation (MAD) is a measure of the dispersion of a set of data points. It is calculated as the average of the absolute differences between each data point and the mean of the data set.
2.
FLASHCARD QUESTION
Front
Calculate the mean absolute deviation of the data: 15, 20, 25, 17, 18.
Back
2.8
3.
FLASHCARD QUESTION
Front
Simplify the expression: -6√5 + 2√45.
Back
0
4.
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. It shows the trend of the data points.
5.
FLASHCARD QUESTION
Front
Which set of data points could BEST be modeled by a line of best fit that is a decreasing linear function?
Back
{(0,50), (1,42), (2,33), (3,25), (4,16)}
6.
FLASHCARD QUESTION
Front
What is the square root of 9?
Back
3
7.
FLASHCARD QUESTION
Front
Back
Natural, whole, integer, rational, real.
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