Grade 3 - Mean, Median, Mode


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Worksheet - Mathematics

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Calculate Mean, Median, Mode

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[ Examples with steps ]:

Calculate Mean for 1, 1, 2, 4, 7 (Sample A)	Calculate Median for 1, 1, 2, 4, 7 (Sample C-1)
Step 1: Compute the sum of all the terms. i.e. 1 + 1 + 2 + 4 + 7 = 15 Step 2: Count the terms. i.e. 5 Step 3: Compute the Mean or Average by dividing the sum with the count. i.e. 15 / 5 = 3	Step 1: Count the terms and find if the count is even or odd. Here Count is 5 and its odd. Step 2: Make sure that the terms are properly sequenced. Step 3: For odd count, Median is the middle term i.e. 2
Calculate Mode for 1, 1, 1, 2, 4, 7, 7 (Sample B)	Calculate Median for 1, 1, 2, 4, 7, 8 (Sample C-2)
Step 1: Find the terms that repeat more than one time. i.e 1 repeats three times and 7 repeats 2 times. Step 2: Mode is the term that repeat the most from these terms. i.e. since 1 repeats that most times, mode is 1 Note: If no term repeats, there is no mode.	Step 1: Count the terms and find if the count is even or odd. Here Count is 6 and its even. Step 2: Make sure that the terms are properly sequenced. Step 3: For even count, Median is the sum of the middle pair divide by 2 (a) Find the middle pair i.e. 2, 4 (b) Add the numbers in the middle pair i.e. 2 + 4 = 6 (c) Median is i.e. 6 / 2 = 3

(a) 1, 2, 3, 3, 3, 4, 5

Mean =	Median =	Mode =

(b) 1, 2, 3, 3, 4, 5

Mean =	Median =	Mode =

(c) 1, 2, 2, 4, 4, 5

Mean =	Median =	Mode =

(d) 1, 2, 3, 4, 5

Mean =	Median =	Mode =


$We include Answer Key on the same page to Save paper and help the environment.$ Answer Key: (Cut the Answer Key or Fold It) Use "Hide Answer Key" option at the top if needed.
(a) Mean: 3 Median: 3 Mode: 3	(b) Mean: 3 Median: 3 Mode: 3	(c) Mean: 3 Median: 3 Mode: 2, 4	(d) Mean: 3 Median: 3 Mode: None

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