Mean Absolute Deviation

Front

What is Mean Absolute Deviation?

Back

The average distance between the data values and the mean.

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 each 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

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

Back

False.

Front

What does a Mean Absolute Deviation of 0 indicate?

Back

All data values are the same and equal to the mean.

Front

How do you calculate the distance of a data value from the mean?

Back

Subtract the mean from the data value and take the absolute value.

Front

If the data set is {2, 4, 4, 4, 5, 5, 7, 9}, what is the mean?

Back

The mean is 5.

Front

In the data set {2, 4, 4, 4, 5, 5, 7, 9}, what is the Mean Absolute Deviation?

Back

The Mean Absolute Deviation is 1.5.

Front

What is the purpose of calculating Mean Absolute Deviation?

Back

To measure the variability or spread of a data set.