Mean Absolute Deviation Quick Practice

What is the first step to solving for the Mean Absolute Deviation?

• Find the mean of the new set of numbers

• Find the mean of the given data set

• Subtract the mean from each original data point

What is the second step to solving for the Mean Absolute Deviation?

• Find the mean of the new set of numbers

• Find the mean of the given data set

• Subtract the mean from each original data point

What is the last step to solving for the Mean Absolute Deviation?

• Find the mean of the new set of numbers

• Find the mean of the given data set

• Subtract the mean from each original data point

What is the definition of Mean?

• Last number minus the first number

• Range of the numbers

• Number that occurs the most often

• Average of the numbers

What is the definition of the Mean Absolute Deviation?

• A data set is the average distance between each data value and the mean

• The average of the numbers

• The difference between the lowest and highest values

• The "middle" value in the list of numbers

What is another word for average?

• mean

• mode

• median

• range

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

• True

• False

True or false?:The absolute value of a number will always be positive.

• True

• False

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.

What is the mean of the data: 15, 20, 25, 17, 18

• 15

• 16

• 18

• 19