Data Analysis Mean, Median, Mode, and Range

Introduction Lesson Quiz

Introduction• Subject: Data Analysis• Grade level: 6th • Common Core Standards--Summarize and describe

distributions.5. Summarize numerical data sets in relation to their context,

such as by:c. Giving quantitative measures of center (median and/or

mean) and variability (interquartile range and/or mean absolute deviation), as well as describing any overall pattern and any striking deviations from the overall pattern with reference to the context in which the data were gathered.

• Learning Targets: Students will be able to apply finding the mean, median, mode and range for real world examples.

DirectionsFor this lesson, you will use the navigation arrows to either go back or move forward in

the lesson. On the home page, you can access the introduction, the lesson, and the quiz. On

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The average of a group of numbersMean

the difference between the

greatest and the least value in a set of numbers

The number that appears most

often in a set of numbers

The middle number in a set

of ordered numbers

Definitions

Mode Range

Median

Mean, Median, and Mode Rap

•Watch this video about mean, median, and mode!

How do you find the MEAN?

The average of a group of numbers

• Step one: Add up all the numbers in the set 2 + 5 + 2 + 1 + 5 = 15• Step two: Divide by how many numbers are in

the set 15 / 3 = 5

2, 5, 2, 1, 5

How do you find the MEAN?

The average of a group of numbers 15/3 =5

The mean for this set of data is 5

2, 5, 2, 1, 5

How do you find the MEDIAN?

The middle number in a set of ordered numbers

• Step one – Arrange the numbers in order from least to greatest.

21, 18, 24, 19, 27

18, 19, 21, 24, 27

How do you find the MEDIAN?

• Step two – Find the middle number.

The median of this set of data is 21

18, 19, 21, 24, 27

How do you find the MODE?

The number that appears most often in a set of numbers

21, 18, 24, 19, 18 Step one– Arrange the numbers in order from

least to greatest.

18, 18, 19, 21, 24

How do you find the MODE?

Step two – Find the number that is repeated the most.

18, 18, 19, 21, 24The mode of this set of data is 18

How do you find the RANGE?

the difference between the greatest and the least value in a set of numbers

21, 18, 24, 19, 27 Step One – Arrange the numbers in order from least to

greatest.

18, 19, 21, 24, 27

How do you find the RANGE?

Step two – Find the lowest and highest numbers.

18, 19, 21, 24, 27Step three – Find the difference between these

2 numbers.

27 – 18 = 9The Range is 9

FLASHCARDS FOR MEAN, MEDIAN, MODE, AND RANGE

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QUIZ

1. What is the mode of the following set of data?

6, 12, 3, 4, 12, 6, 17, 12A. 9B. 12C. 6D. 14

CORRECT!!• The correct answer is 12 for the mode

Proceed to question 2

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QUIZ

2. How do you find the range of a set of data?A. The average of a group of numbersB. The number that appears most often

in a set of numbersC. The difference between the greatest

and the least value in a set of numbersD. The middle number in a set of ordered

numbers

CORRECT!!• The correct answer is the difference between

the greatest and the least value in a set of numbers

Proceed to question 3

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the answer?

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QUIZ

3. What is the mean of the following set of data?

12, 3, 7, 6, 12, 16, 7, 1

A. 15B. 7 and 12C. 12D. 8

CORRECT!!• The correct answer is the

difference between the greatest and the least value in a set of numbers

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COMPLETION!

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understand mean, median, mode and range.• Would you like to…

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CITATIONS

• http://www.reallygoodstuff.com/product/mean+median+mode+and+range+poster.do

• http://www.teacherspayteachers.com/Product/FREE-Mean-Median-Mode-Range-Fun-Flashcards

• http://www.youtube.com/watch?v=C-ldYS9FVUI