Measures of Central Tendency, MAD, and Box and Whiskers

Determine the mean absolute deviation of the data.
9, 7, 11, 10, 8

• 9

• 6

• 1.2

• 5

What is the median?

• 62

• 58

• 66

• 60

What is the minimum value?

• 64

• 58

• 66

• 61

What data value is the upper quartile (Q3)?

• 64

• 62

• 66

• 58

What two values do the "whiskers" stand for on a box and whisker plot?

• Minimum and Maximum

• Lower and Upper Quartile

What is the definition of the mean?

• Add all the numbers together and divide by the number in the set.

• The middle number after the numbers have been put in order from least to greatest.

• The difference between the highest and lowest numbers

• The number that occurs the most often.

What is the definition of median?

• Add the numbers together and then divide by the number in the set.

• The difference between the largest and smallest number.

• The number in the middle when the numbers are in order from least to greatest.

• The number that appears most often.

What is the definition of mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

What is the range of this data set?

• 20

• 5

• 30

• 26

Find the Quartile 1 of the box and whisker plot.

• 60

• 62

• 64

• 66