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# Normal Distributions

## Fitting a bell curve to a histogram

Levels are CK-12's student achievement levels.
Basic Students matched to this level have a partial mastery of prerequisite knowledge and skills fundamental for proficient work.
At Grade (Proficient) Students matched to this level have demonstrated competency over challenging subject matter, including subject matter knowledge, application of such knowledge to real-world situations, and analytical skills appropriate to subject matter.
Advanced Students matched to this level are ready for material that requires superior performance and mastery.

## Normal Distributions

Determine if a data set approximates a normal distribution.
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## Normal Distributions

This Concept introduces students to the standard normal probability distribution.
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## Characteristics of Normal Distributions

This Concept introduces students to the standard normal probability distribution.
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## Normal Distributions

by Laura Iossi //basic
Determine if a data set approximates a normal distribution.
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## Normal Distributions

by Cristine Fisher //basic
Determine if a data set approximates a normal distribution.
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• PLIX

## The FDA and Food Safety

Normal Distributions Interactive
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• Video

## Normal Distributions Principles

by CK-12 //basic
This video gives more detail about the mathematical principles presented in Normal Distributions.
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• Video

## Normal Distributions Examples

by CK-12 //basic
This video shows how to work step-by-step through one or more of the examples in Normal Distributions.
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• Video

## Standard Normal Distribution

Explains how the normal distribution relates to standard deviation and z-scores.
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• Video

## Normal Distributions and the Empirical Rule

by CK-12 //basic
Explains how to use the empirical rule, also known as the 68-95-99.7 rule, to calculate certain normal distribution probabilities. That's right! You don't always need a calculator!
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## More Empirical Rule and Z-Score practice

Walks through the steps to solve problems involving the normal distribution with use of the empirical rule and z-scores.
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• Video

## Normal Distribution Problems: Qualitative Sense of Normal Distributions

Explains how to tell which real world example would follow a normal distribution.
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## Normal Distribution Problems: z-score

Explains how to find a z-score for a given data point when you know the mean and standard deviation of the entire normal distribution.
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• Video

## Exercise: Standard Normal Distribution and the Empirical Rule

Adjusts the empirical rule to determine the area to left or right of certain points on the normal distribution curve.
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• Lesson Plan

## Normal Distributions Lesson Plan

by CK-12 //basic
This lesson plan covers Normal Distributions and includes Teaching Tips, Common Errors, Differentiated Instruction, Enrichment, and Problem Solving.
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## Normal Distributions Quiz

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• Critical Thinking

## Normal Distributions Discussion Questions

A list of student-submitted discussion questions for Normal Distributions.
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• Real World Application

## Normal Distribution

Students will investigate why and how the SAT is scored to correspond with a normal distribution curve.
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• Study Guide

## Normal Distribution Study Guide

This study guide looks at characteristics of a normal distribution curve, the empirical rule, z-score, standardizing normal curve, and approximating binomial distribution.
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• Study Guide

## Types of Distributions

covers normal, binomial, multinomial, geometric, poisson, and student's t distributions
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• Study Guide

## Normal Distribution

by Rayna Schlossberg //basic
Introduction to normal distribution and bell curves.
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• Flashcards