Mean, Median,Mode, and Range

1
Mean, Median, Mode, and Range!
By Stephanie
2
Objectives
3
When am I ever going to use this?

• You can use mean to find the average of your
  test scores.

4
Mean
Range
Definitions!
Mode
Median
5
Mean!

• Mean is the sum of the numbers in a set of data
  divided by the number of pieces of data.

6
Median
Median

• Median is the middle number in a set of data when
  the data is arranged in numerical order.
• If the problem has even number, the median is
  the mean of the two middle numbers.

7
Mode!

• Mode is the number or item that appears most
  often in a set of data.

8
Range!

• Range is the set of all values given a function
  may take on.

9
Average!

• Average is a synonym for arithmetic mean.
• Which is the value obtained by dividing the sum
  of a set of quantities by the number of
  quantities in the set.

10
Mathematics!!
Rules!!

• If you have access to a computer, go online to
  some web pages like
• www.math.com
• www.askjeeves.com and type in mathematics. To
  find homework help type in homework help!

11
Instructions!

• Take out a piece of paper and number 1-4.
• Find the mean, median,mode, and the range for
  each set of data. When necessary, round to the
  nearest tenth.

1.
2.
3.
4.
12
MINI Quiz

• 6, 3, 8, 2, 5, 6, 4, 6, 9, 4
• 15, 18, 34, 25, 10, 21, 16
• 120, 145, 210, 175, 165, 120, 145
• 15, 16, 37, 47, 2, 19, 22, 7, 5

13
Reminder

• Mrs. Newman will take this up at the end of
  class!

14
THE END

• By Stephanie