Mean & Median

Another way to describe the MEAN is by calling it...

• The average

• The middle number

• The difference between the highest and lowest numbers

• The number that occurs the most

How is the MEAN calculated?

• Largest value minus smallest value

• Add all the numbers

• Add up all the numbers then divide by the number of values given

• Put the numbers in order from least to greatest, then find the middle

How is the MEDIAN calculated?

• Largest value minus smallest value

• Add all the numbers

• Add up all the numbers then divide by the number of values given

• Put the numbers in order from least to greatest, then find the middle

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

• True
• False

Tags

CCSS.6.NS.C.7

CCSS.6.SP.A.3

CCSS.6.SP.B.5

1. Find the average (mean) of these numbers.
10, 3, 2, 5

• 5
• 4
• 10
• 3

Tags

CCSS.7.EE.B.3

Mary read six books in January, four books in February, and eight books in March.What was the mean number of books read each month?

• 18 books

• 6 books

• 14 books

• 5 books

The height of three basketball players is 210 cm, 220 cm and 191 cm.

What is the mean height of the three basketball players?

• 210 cm

• 207 cm

• 220 cm

• 200 cm

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

• 2
• 5
• 7
• 4

Tags

CCSS.7.EE.B.3

The number of miles that Kiki cycled each week for a 7-week period is shown:

36, 42, 28, 52, 48, 36, 31

What is the median number of miles Kiki cycled?

• 24

• 36

• 39

• 52

The cost of four cell phones are $345, $400, $110, and $640.

What is the median cost?

• $330

• $390

• $372.50

• $375