Mean, Median, Range, Iqr

The first thing we do when we find the median is...

• add and divide

• nothing

• subtract each number

• order from least to greatest

What is the median?

• The end of a sentence

• The middle of the road

• The middle of the set of numbers

• My lunch

To remember mode I can think of...

• The most popular thing

• the average

• the middle

• what is a mode?

What is the range?

• average

• biggest-smallest

• the middle #

• # happening the most

Find the mean of these numbers:
5, 11, 2, 12, 4, 2

• 4.1
• 6
• 36
• 4

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

Find the mode of:
1, 2, 3, 4 

• 2.5
• 2 & 3
• No mode
• 4

Calculate the range of the following:
2, 5, 8, 3, 13, 5

• 11
• 13
• 5
• 8

Calculate the interquartile range of the following data:
17, 18, 18, 19, 20, 21, 21, 23, 25

• 3
• 4
• 5
• 8