**Home** / **mean median mode range definitions** / Mean, Median, Mode, and Range Definitions

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Mean :

The "Mean" is computed by adding all of the numbers in the data

together and dividing by the number elements contained in the data set.

Example :

Data Set = 2, 5, 9, 3, 5, 4, 7

Number of Elements in Data Set = 7

Mean = ( 2 + 5 + 9 + 7 + 5 + 4 + 3 ) / 7 = 5

Median :

The "Median" of a data set is dependant on whether the number of

elements in the data set is odd or even. First reorder the data set

from the smallest to the largest then if the number of elements

are odd, then the Median is the element in the middle of the data set.

If the number of elements are even, then the Median is the average

of the two middle terms.

Examples : Odd Number of Elements

Data Set = 2, 5, 9, 3, 5, 4, 7

Reordered = 2, 3, 4, 5, 5, 7, 9

Median = 5

^

Examples : Even Number of Elements

Data Set = 2, 5, 9, 3, 5, 4

Reordered = 2, 3, 4, 5, 5, 9

Median = ( 4 +

^ ^

5 ) / 2 = 4.5

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MMeeaann,, MMeeddiiaann,, MMooddee,, aanndd RRaannggee DDeeffiinniittiioonnss

Mode :

The "Mode" for a data set is the element that occurs the most often.

It is not uncommon for a data set to have more than one mode.

This happens when two or more elements occur with equal frequency

in the data set. A data set with two modes is called bimodal.

A data set with three modes is called trimodal.

Examples : Single Mode

Data Set = 2, 5, 9, 3, 5, 4, 7

Mode = 5

Examples : Bimodal

Data Set = 2, 5, 2, 3, 5, 4, 7

Modes = 2 and 5

Examples : Trimodal

Data Set = 2, 5, 2, 7, 5, 4, 7

Modes = 2, 5, and 7

Range :

The "Range" for a data set is the difference between the largest value and

smallest value contained in the data set. First reorder the data set from

smallest to largest then subtract the first element from the last element.

Examples :

Data Set = 2, 5, 9, 3, 5, 4, 7

Reordered = 2, 3, 4, 5, 5, 7, 9

Range = ( 9 - 2 ) = 7

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Name : Score :

aTen achear : mmosnn Date :

MMeeaann,, MMooddee,, MMeeddiiaann,, aanndd RRaannggee

1 ) -14, -21, -9, 19, -18, -7, -11, -19 9, 18, 8, 7, -4, -16, -8

6)

Mean ____ Median ____ Mode ___________ Range ____ Mean ____ Median ____ Mode ___________ Range ____

2 ) -6, -11, -6, 9, -9, 10, 8, -11, -7, 13 19, -7, 18, -5, 8, -7, 8, -9, 12, -17

7)

Mean ____ Median ____ Mode ___________ Range ____ Mean ____ Median ____ Mode ___________ Range ____

3 ) 10, 13, -12, -20, -9, 6, 13, -9 8, -9, 13, 8, 13, -15

8)

Mean ____ Median ____ Mode ___________ Range ____ Mean ____ Median ____ Mode ___________ Range ____

4 ) -10, 13, 8, 20, -19, 12, -8, 7, -5 -17, 14, 12, 9, 18, 14, 13

9)

Mean ____ Median ____ Mode ___________ Range ____ Mean ____ Median ____ Mode ___________ Range ____

5 ) -19, 13, 14, 17, -5 17, 15, 8, -17, 7

10 )

Mean ____ Median ____ Mode ___________ Range ____ Mean ____ Median ____ Mode ___________ Range ____

AJ. SUNISA PENGMANEE

m Math-Aids.Com

What does range, mean, median and mode mean in math? Mean - Mean is the average. It's also the meanest because it take the most math to figure it out. Median - Median is the middle. They both have a "d" in them. Mode - Mode is the most. They both start with "mo".

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