Data and Statistics

What is the term for the median of the lower half of the data?
Hint: Look at your notes!

• Lower Quartile

• Upper Quartile

• Median

• Maximum

What is the range?

• average

• biggest-smallest

• the middle #

• # happening the most

Find the MAD:
58, 38, 54, 48, 26, 36

• 43

• 20

• 10

• 12

What is the minimum value?

• 64

• 58

• 66

• 61

In order to find the median, the data must be sorted from least to greatest first.

• True

• False

Which class has the higher test score median? 

• Class #1

• Class # 2 

• The medians are equal

• The median is not shown here. 

A data set consists of the numbers 2, 2, 5, 6 and 15.  Which statement is true for this data?

• median > mean

• mean = mode

• mode < median

• median = mode

Which number from the data set 1, 1, 1, 2, 2, 3, 4, 5, 5, and 25 is an outlier?

What is the mean absolute deviation of 13, 14, 17, 28, and 28?

• 6.4

• 8.6

• 4.6

• 6.3

Find the Mean Absolute Deviation:  5, 11, 2, 7, 16.  The Mean is 8.2 

• 3.2

• 2.8

• 1.2

• 4.2