Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than...
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Transcript of Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than...
![Page 1: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/1.jpg)
Mean, Mean, Median, Median, Mode Mode
& Range& Range
![Page 2: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/2.jpg)
![Page 3: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/3.jpg)
Outlier
• An outlier is a data item that is much higher or much lower than items in a data set.
• 1, 2, 5, 27, 3, 4
![Page 4: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/4.jpg)
![Page 5: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/5.jpg)
Definition
• MeanMean – the average of a group of numbers.
2, 5, 2, 1, 5Mean = 3Mean = 3
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![Page 6: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/6.jpg)
How to Find the Mean of a Group of Numbers
• Step 1 – Add all the numbers.
8, 10, 12, 18, 22, 26
8+10+12+18+22+26 = 96
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![Page 7: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/7.jpg)
How to Find the Mean of a Group of Numbers
• Step 2 – Divide the sum by the number of addends.
8, 10, 12, 18, 22, 26
8+10+12+18+22+26 = 96 How many addends are there?
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![Page 8: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/8.jpg)
How to Find the Mean of a Group of Numbers
• Step 2 – Divide the sum by the number of addends.
6)96 sum# of addends1
636
6
63BACK
![Page 9: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/9.jpg)
![Page 10: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/10.jpg)
Definition
• MedianMedian – the middle number in a set of ordered numbers.
1, 3, 7, 10, 13Median = 7Median = 7
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![Page 11: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/11.jpg)
How to Find the Median in a Group of Numbers
• Step 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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![Page 12: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/12.jpg)
How to Find the Median in a Group of Numbers
• Step 2 – Find the middle number.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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![Page 13: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/13.jpg)
How to Find the Median in a Group of Numbers
• Step 2 – Find the middle number.
18, 19, 21, 24, 27
This is your median number.
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![Page 14: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/14.jpg)
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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![Page 15: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/15.jpg)
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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![Page 16: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/16.jpg)
Definition• ModeMode – the number that
appears most often in a set of numbers.
1, 1, 3, 7, 10, 13Mode = 1Mode = 1
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![Page 17: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/17.jpg)
How to Find the Mode in a Group of Numbers
• Step 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 18
18, 18, 19, 21, 24
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![Page 18: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/18.jpg)
How to Find the Mode in a Group of Numbers
• Step 2 – Find the number that is repeated the most.
21, 18, 24, 19, 18
18, 18, 19, 21, 24
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![Page 19: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/19.jpg)
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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![Page 20: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/20.jpg)
How to Find the Range in a Group of Numbers
• Step 1 – Arrange the numbers in order from least to greatest.
21, 18, 24, 19, 27
18, 19, 21, 24, 27BACK
![Page 21: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/21.jpg)
How to Find the Range in a Group of Numbers
• Step 2 – Find the lowest and highest numbers.
21, 18, 24, 19, 27
18, 19, 21, 24, 27
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![Page 22: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/22.jpg)
How to Find the Range in a Group of Numbers
• Step 3 – Find the difference between these 2 numbers.
18, 19, 21, 24, 27
27 – 18 = 9The range is 9
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![Page 23: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/23.jpg)
4, 8, 8, 19, 29
What is the range?
29, 8, 4, 8, 19
29 – 4 = 25
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![Page 24: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/24.jpg)
![Page 25: Mean, Median, Mode & Range Outlier An outlier is a data item that is much higher or much lower than items in a data set. 1, 2, 5, 27, 3, 4.](https://reader035.fdocuments.us/reader035/viewer/2022070412/56649e555503460f94b4c50d/html5/thumbnails/25.jpg)
Mean, Mean, Median, Median, Mode Mode
& Range& Range
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