Mean Median Range Iqr Standard Deviation

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

• True
• False

Given the data: 136, 150, 119, 150, 125, 140.
Find the upper quartile (Q3). (Hint... put the numbers in order and find the median to help you find Q3)

•  125
• 150
• 139.5
• 143

Find the lower quartile (Q1) of the following set of scores 6, 7, 8, 9, 11, 13, 15

• 13
• 7

• 9
• 6

Find the IQR (Q3 - Q1)  of the data

20, 22, 25, 29, 31

• 30
• 21
• 25
• 9

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40
• 24
• 4
• 256

Find the mean:
28, 18, 19, 18, 17

• 20
• 18
• 11
• 19

What is the mean for these numbers?
5,5,5,5

• 5
• 20
• 15
• 100

Find the median.
12, 5, 9, 18, 22, 25, 5

• 9
• 8
• 12
• 18

Find the mode.
12, 5, 9, 18, 22, 25, 5

• 22
• 18
• 9
• 5

Find the range.
12, 5, 9, 18, 22, 25, 5

• 20
• 15
• 22
• 18