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Ungrouped Data Mean Challenge

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Ungrouped Data Mean Challenge

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About this activity

Identify the balance point of a list.

Created by

dennis manaois
dennis manaois
Philippines

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Ungrouped Data Mean Challenge
 

Ungrouped Data Mean ChallengeOnline version

Identify the balance point of a list.

by dennis manaois
1

I am the balance point for a list of numbers, not grouped in classes. Add them all, then share by how many there are. What am I?

Hints

The result is the mean—also called the average—for ungrouped data.

Count how many numbers there are, then prepare to divide.

Add every value in the data set.

2

I am a number. If you add 10 to me, you get 17. What number am I?

Hints

Seven plus ten is seventeen.

What number plus ten equals seventeen?

Subtract ten from the result to find the start.

 
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