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Learn

Module overview

Describing and inferring

Simple probability

Histograms

Reading the shape

Choosing bin sizes

A histogram in Excel

The normal distribution

Testing for normality

Reading the result

NORMDIST in Excel

NORMINV in Excel

Sustainability lens

Practise

Normal practice: question 1 of 10

Normal practice: question 2 of 10

Normal practice: question 3 of 10

Normal practice: question 4 of 10

Normal practice: question 5 of 10

Normal practice: question 6 of 10

Normal practice: question 7 of 10

Normal practice: question 8 of 10

Normal practice: question 9 of 10

Normal practice: question 10 of 10

Review game

Normal distributions crossword

Chapter 18 of the Green Belt handbook covers probability and the normal distribution. You will learn the difference between describing and inferring, work out simple probabilities, read histograms, test whether data look normal, and use Excel to find probabilities and values.

Normal Distributions: Probability, Histograms and the Bell Curve

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