7.SP.B.3

Finding Intelligence

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Game Info for Teachers

COMBINED RATING

3.1 Stars

TEACHERS (5)

3.0

STUDENTS (537)

3.3

LENGTH

16 Minutes

GRADES

CAPABILITIES

Spanish Language Support

Text-to-Speech Support

Description

Join the Pulpis, a race a super intelligent aliens, in their conquest for knowledge. You will be using basic statistics to help the Pulpis find planets populated with intelligent life. Good luck in your journey!

Vocabulary Words

absolute value

deviation

mean

average

MAD

data distribution

mean absolute deviation

Instructions

Play through this interactive game to learn about Make Observations Using Mean. Suitable for Grade 6, Grade 7, Grade 8.

Main Concepts

If all measurements in a population are known, no sampling is necessary and data comparisons involve the calculated measures of center.

Use visual comparisons to make conjectures about the data.

For distributions in which the mean is the better measure of center, variation is measured in terms of how far the data values deviate from the mean. Calculate how far each value is above or below the mean, and these deviations from the mean are the first step in building a measure of variation based on spread to either side of center.

Averaging the absolute values of the deviations leads to a measure of variation that is used to describe the spread of a data distribution and in comparing distributions. This measure is called the mean absolute deviation, or MAD.

Average the absolute values of the deviations from mean to determine MAD.

Discussion Questions

Before the Game

What is meant by the word "mean"? How do you find the mean? What is absolute value? How do you find the mean absolute deviation? What are some ways that data can be represented using graphs?

After the Game

You have the following numbers in your data pool: 3, 1, 5, 4, 8, 6 - find the mean, the difference between the data and the mean, the absolute value of the difference, the sum of all of the absolute values, and the mean absolute deviation. What is the mean absolute deviation of a set of data? How did the graphs help you analyze the data quickly and efficiently? How do you find mean from data on a graph?

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Game Details

Difficulty

Content Integration

Lexile Level

705

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