Mean, Median, Mode & Range : Mean, Median, Mode & Range By Paul Hodson
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 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 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