Mean, Median, Mode and Range

What is the range of this data set?

7, 1, 6, 9, 4, 6, 2

• 8

• 7

• 6

• 5

What is the median of this data set?

9, 7, 9, 7, 3, 5, 9

• 9

• 3

• 4

• 7

The range is found by finding the _______________ number and subtracting the ________________ number.

• smallest, biggest

• even, odd

• biggest, smallest

• middle, first

The mean is found by ___________________ all of the numbers and then _____________________ by the number of items.

• adding, subtracting

• adding, multiplying

• dividing, adding

• adding, dividing

The median is the __________________ number (after you put them in order).

• first

• middle

• last

• one you see most

A data set can have more than one mode

• True
• False

Look at these numbers - 11, 11, 7, 18, 8. What is the correct way to put them in order so you can find the median?

• 18, 11, 11, 8, 7

• 11, 7, 8, 18, 11

• 8, 7, 11, 11, 18

• 7, 8, 11, 11, 18

Dr. Dre is a dentist. He needs to report on the average (Mean) number of cavities that his patients have.

1, 0, 1, 5, 0, 3, 4. What is the average number of cavities?

• 14

• 2

• 7

• 1

Identify the outlier for the given data?
23, 34, 27, 7, 30, 26, 28, 31, 34

• 7
• 23
• 31
• 34

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:8
• median:6  mode:3  range:7
• median:7  mode:3 range:7