Mean Absolute Deviation

Front

What is Mean Absolute Deviation?

Back

The average distance between the data values and the mean.

Tags

CCSS.6.SP.B.5C

Front

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

Back

Find the mean of the data.

Tags

CCSS.6.SP.B.5C

Front

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

Back

Find the mean of the distances.

Tags

CCSS.6.SP.B.5C

Front

Which mean absolute deviation would have a greater variability or spread? 4.2 or 8.5?

Back

8.5

Tags

CCSS.6.SP.B.5C

Front

What is another word for average?

Back

Mean.

Tags

CCSS.L.5.5C

Front

How do you calculate the mean of a set of numbers?

Back

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

Tags

CCSS.6.SP.B.5C

Front

What does 'absolute value' mean?

Back

The distance of a number from zero on the number line, regardless of direction.

Tags

CCSS.6.NS.C.7C

Front

If the mean of a data set is 10 and the data values are 8, 12, and 10, what is the absolute deviation of 8?

Back

2 (|8 - 10| = 2).

Tags

CCSS.6.SP.B.5C

Front

What is the formula for Mean Absolute Deviation?

Back

MAD = (Σ|x - mean|) / n, where x is each data point and n is the number of data points.

Tags

CCSS.6.SP.B.5C

Front

Why is Mean Absolute Deviation important?

Back

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

Tags

CCSS.6.SP.B.5C