Mean and Mean Absolute Deviation
Authored by Krista Flettner
Mathematics
8th Grade
CCSS covered
Used 1+ times
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20 questions
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1.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
What is the first step (1-2) when calculating the Mean Absolute Deviation?
Find the distance each value is from the mean
Find the mean of the data
Find the mean of the distances
2.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
True or false?:The absolute value of a number will always be positive.
True
False
Tags
CCSS.6.NS.C.7
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
In calculating MAD, after you find the average or mean you must _____________.
do nothing because you're done
Find out the distance each number is from the mean.
Find the distance each number is from zero.
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
4.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the mean of the data: 15, 20, 25, 17, 18
15
16
18
19
Tags
CCSS.6.SP.A.3
CCSS.6.SP.B.5
5.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the mean absolute deviation of the data: 15, 20, 25, 17, 18
4.5
2.8
4
3.8
6.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
What is the approximate mean of the data? 45, 55, 60, 48, 57, 52, 49
50
55
52.3
there is no such thing as a decimal.
Tags
CCSS.4.MD.B.4
7.
MULTIPLE CHOICE QUESTION
15 mins • 1 pt
What is the absolute mean deviation of the data? 45, 55, 60, 48, 57, 52, 49 if the mean is 52.3
4.0
5
5.2
4.33
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