Mean Median Mode Range

Find the mode.
5, 15, 10, 20, 15, 10, 15

• 10

• 15

• 20

• 5

Find the mean.
90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

Find the Mean Absolute Deviation:  10, 9, 3, 8, 10.  The Mean is 8

• 3

• 5

• 1

• 2

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.

For median, if there are 2 numbers in the middle, you...

• add and divide by 2

• nothing

• subtract

• add and multiply by 2

To find range, you...

• Add and divide

• subtract biggest and smallest

• shows up the most

• put in order, find the middle

To find the median, you...

• Add all the values and divide by the number of values

• subtract biggest and smallest

• shows up the most

• put in order, find the middle

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

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data

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

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data

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

• Find the distance each value is from the mean

• Find the mean of the distances

• Find the mean of the data