Learn-Mean Median Mode Range

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Published on June 15, 2007

Author: Freedom

Source: authorstream.com

Mean, Median, Mode & Range:  Mean, Median, Mode andamp; Range By Monica Yuskaitis Vocabulary Review:  Vocabulary Review Sum – the answer to an addition problem. Addend – the numbers you added together to get the sum. 6 + 9 = 15 Definition:  Definition Mean Means Average Definition:  Definition Mean – the average of a group of numbers. 2, 5, 2, 1, 5 Mean = 3 Mean is found by evening out the numbers:  Mean is found by evening out the numbers 2, 5, 2, 1, 5 Mean is found by evening out the numbers:  Mean is found by evening out the numbers 2, 5, 2, 1, 5 Mean is found by evening out the numbers:  Mean is found by evening out the numbers 2, 5, 2, 1, 5 mean = 3 How to Find the Mean of a Group of Numbers:  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 How to Find the Mean of a Group of Numbers:  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? How to Find the Mean of a Group of Numbers:  How to Find the Mean of a Group of Numbers Step 2 – Divide the sum by the number of addends. 6) 96 sum # of addends 1 6 3 6 6 6 3 How to Find the Mean of a Group of Numbers:  How to Find the Mean of a Group of Numbers The mean or average of these numbers is 16. 8, 10, 12, 18, 22, 26 What is the mean of these numbers?:  What is the mean of these numbers? 7, 10, 16 11 What is the mean of these numbers?:  What is the mean of these numbers? 2, 9, 14, 27 13 What is the mean of these numbers?:  What is the mean of these numbers? 1, 2, 7, 11, 19 8 What is the mean of these numbers?:  What is the mean of these numbers? 26, 33, 41, 52 38 Definition:  Definition Median is in the Middle Definition:  Definition Median – the middle number in a set of ordered numbers. 1, 3, 7, 10, 13 Median = 7 How to Find the Median in a Group of Numbers:  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 How to Find the Median in a Group of Numbers:  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 How to Find the Median in a Group of Numbers:  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. How to Find the Median in a Group of Numbers:  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 How to Find the Median in a Group of Numbers:  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 What is the median of these numbers?:  What is the median of these numbers? 16, 10, 7 10 7, 10, 16 What is the median of these numbers?:  What is the median of these numbers? 29, 8, 4, 11, 19 11 4, 8, 11, 19, 29 What is the median of these numbers?:  What is the median of these numbers? 31, 7, 2, 12, 14, 19 13 2, 7, 12, 14, 19, 31 12 + 14 = 26 2) 26 What is the median of these numbers?:  What is the median of these numbers? 53, 5, 81, 67, 25, 78 60 53 + 67 = 120 2) 120 5, 25, 53, 67, 78, 81 Definition:  Definition Mode is the most Popular Definition:  Definition A la mode – the most popular or that which is in fashion. Baseball caps are a la mode today. Definition:  Definition Mode – the number that appears most frequently in a set of numbers. 1, 1, 3, 7, 10, 13 Mode = 1 How to Find the Mode in a Group of Numbers:  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 How to Find the Mode in a Group of Numbers:  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 Which number is the mode?:  Which number is the mode? 29, 8, 4, 8, 19 8 4, 8, 8, 19, 29 Which number is the mode?:  Which number is the mode? 1, 2, 2, 9, 9, 4, 9, 10 9 1, 2, 2, 4, 9, 9, 9, 10 Which number is the mode?:  Which number is the mode? 22, 21, 27, 31, 21, 32 21 21, 21, 22, 27, 31, 32 Definition:  Definition Range is the distance Between Definition:  Definition Range – the difference between the greatest and the least value in a set of numbers. 1, 1, 3, 7, 10, 13 Range = 12 How to Find the Range in a Group of Numbers:  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, 27 How to Find the Range in a Group of Numbers:  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 How to Find the Range in a Group of Numbers:  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 = 9 The range is 9 What is the range?:  What is the range? 29, 8, 4, 8, 19 29 – 4 = 25 4, 8, 8, 19, 29 What is the range?:  What is the range? 22, 21, 27, 31, 21, 32 32 – 21 = 11 21, 21, 22, 27, 31, 32 What is the range?:  What is the range? 31, 8, 3, 11, 19 31 – 3 = 28 3, 8, 11, 19, 31 What is the range?:  What is the range? 23, 7, 9, 41, 19 41 – 7 = 34 7, 9, 23, 19, 41 Credits:  Credits Clipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc. Credits:  Credits Clipart from ClickArt 125,000, T/Maker Company of Broderbund Software, Inc.

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