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Mean, Median, Mode, and Range!

By Stephanie

Objectives

When am I ever going to use this?

- You can use mean to find the average of your

test scores.

Mean

Range

Definitions!

Mode

Median

Mean!

- Mean is the sum of the numbers in a set of data

divided by the number of pieces of data.

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.

Mode!

- Mode is the number or item that appears most

often in a set of data.

Range!

- Range is the set of all values given a function

may take on.

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.

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!

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.

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

Reminder

- Mrs. Newman will take this up at the end of

class!

THE END

- By Stephanie