Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.
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Transcript of Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.
![Page 1: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/1.jpg)
![Page 2: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/2.jpg)
Definition•MeanMean – the average of a group of numbers.
2, 5, 2, 1, 5Mean = 3Mean = 3
![Page 3: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/3.jpg)
Mean is found by evening out the numbers
2, 5, 2, 1, 5
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Mean is found by evening out the numbers
2, 5, 2, 1, 5
![Page 5: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/5.jpg)
Mean is found by evening out the numbers
2, 5, 2, 1, 5mean = 3
![Page 6: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/6.jpg)
How to Find the Mean of a Group of NumbersStep 1 – Add all the numbers.
8, 10, 12, 18, 22, 26
8+10+12+18+22+26 = 96
![Page 7: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/7.jpg)
How to Find the Mean of a Group of NumbersStep 2 – Divide the sum by the amount of numbers.
8, 10, 12, 18, 22, 26
8+10+12+18+22+26 = 96
![Page 8: Definition Mean Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3.](https://reader038.fdocuments.net/reader038/viewer/2022110204/56649b55550346318e8d2fce/html5/thumbnails/8.jpg)
How to Find the Mean of a Group of NumbersStep 2 – Divide the sum by the
number by the amount of numbers.
6)961
636
6
63
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How to Find the Mean of a Group of NumbersThe mean or average of these numbers is 16.
8, 10, 12, 18, 22, 26
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What is the mean of these numbers?
2, 9, 14, 27
13
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What is the mean of these numbers?
26, 33, 41, 52
38
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Definition
MeMeddianian
is in theis in the
MiMiddddlele
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Definition•MedianMedian – the middle number in a set of ordered numbers.
1, 3, 7, 10, 13Median = 7Median = 7
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How to Find the Median in a Group of NumbersStep 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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How to Find the Median in a Group of NumbersStep 2 – Find the middle number.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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How to Find the Median in a Group of Numbers• Step 3 – If there are two middle numbers, find the mean of these two numbers.
18, 19, 21, 25, 27, 28
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How to Find the Median in a Group of Numbers• Step 3 – If there are two middle numbers, find the mean of these two numbers.
21+ 25 = 46
2) 46 23 median
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What is the median of these numbers?
29, 8, 4, 11, 19
114, 8, 11, 19, 29
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What is the median of these numbers?
31, 7, 2, 12, 14, 19
132, 7, 12, 14, 19, 31
12 + 14 = 26 2) 26
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What is the median of these numbers?
53, 5, 81, 67, 25, 78
6053 + 67 = 120 2) 120
5, 25, 53, 67, 78, 81
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Definition
ModeMode
is the mostis the most
PopularPopular
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Mode•What type of hat is the mode?
Baseball caps are the mode.
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Definition•ModeMode – the number that appears most frequently in a set of numbers.
1, 1, 3, 7, 10, 13Mode = 1Mode = 1
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How to Find the Mode in a Group of NumbersStep 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 18
18, 18, 19, 21, 24
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How to Find the Mode in a Group of NumbersStep 2 – Find the number that is repeated the most.
21, 18, 24, 19, 18
18, 18, 19, 21, 24
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Which number is the mode?
1, 2, 2, 9, 9, 4, 9, 10
9
1, 2, 2, 4, 9, 9, 9, 10
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Which number is the mode?
22, 21, 27, 31, 21, 32
21
21, 21, 22, 27, 31, 32
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Definition
RangeRange
is the distanceis the distance
BetweenBetween
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Definition• RangeRange – the difference between the greatest and the least value in a set of numbers.
1, 1, 3, 7, 10, 13Range = 12Range = 12
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How to Find the Range in a Group of NumbersStep 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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How to Find the Range in a Group of NumbersStep 2 – Find the lowest and highest numbers.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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How to Find the Range in a Group of NumbersStep 3 – Find the difference between these 2 numbers.
18, 19, 21, 24, 27
27 – 18 = 9The range is 9
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What is the range?
29, 8, 4, 8, 19
29 – 4 = 25
4, 8, 8, 19, 29
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What is the range?
22, 21, 27, 31, 21, 32
32 – 21 = 11
21, 21, 22, 27, 31, 32
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Definition• Outlier Outlier – an extreme high or low number in a given set of data.
1, 30, 32, 35, 400
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How to Find the Outlier Step 1: Arrange the numbers in order from least to greatest. Then, circle the really high or low number.
18, 19, 21, 24, 270
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