DC 8.11B Mean Absolute Deviation

Front

What does M.A.D stand for?

Back

Mean Absolute Deviation

Front

What is another word for average?

Back

Mean

Front

Which of the following is true concerning the mean absolute deviation of a set of data?

Back

It describes the average distance between each data value 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 mean absolute deviation of 13, 14, 17, 28, and 28?

Back

6.4

Front

Define Mean Absolute Deviation (M.A.D).

Back

M.A.D is the average of the absolute differences between each data point and the mean of the data set.

Front

How do you calculate the mean of a data set?

Back

Add all the numbers together and divide by the count of numbers.

Front

What is the formula for Mean Absolute Deviation?

Back

M.A.D = (Σ|x_i - mean|) / N, where x_i is each data point, mean is the average, and N is the number of data points.

Front

Why is Mean Absolute Deviation important?

Back

It helps to understand the variability or spread of a data set.

Front

What does a low Mean Absolute Deviation indicate?

Back

It indicates that the data points are close to the mean.