2/3: Mean Absolute Deviation (MAD)

Front

What is the first step when calculating the Mean Absolute Deviation?

Back

Find the mean of the data

Front

What is the second step when calculating the Mean Absolute Deviation?

Back

Find the distance (absolute value) each data value is from the mean

Front

What is the third step when calculating the Mean Absolute Deviation?

Back

Find the mean of the distances

Front

Which dot plot shows more consistency? a or b?

Back

a (Set I)

Front

Which dot plot shows more variability? a or b?

Back

b (Set II)

Front

Which mean absolute deviation would have a greater variability or spread? Options: 4.2, 8.5, 5.9, 3.5

Back

8.5

Front

True or false? The larger the Mean Absolute Deviation the more consistent the data is.

Back

False

Front

Which M.A.D. would show the most variability? Options: .5, 2, 1.5, 1

Back

2

Front

Which M.A.D. would show the most consistency? Options: .5, 1, 1.5, 2

Back

.5

Front

True or false? If you have a large Mean Absolute Deviation that means there is more variability in the data set.

Back

True