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Learning Haskell Data Analysis by James Church

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Chapter 5. Hypothesis Testing

Anyone can make claims and many actually do. The joy of data analysis lies partly in the ability to claim that a condition such as an event or a property has a measurable impact and defend that claim with a proper analysis. A claim that is testable is called a hypothesis. This chapter looks at the concept of hypothesis testing. In hypothesis testing, we examine a condition to determine whether it has a measurable impact on data or not. Since a hypothesis is only limited by one's imagination, many hypotheses will be determined as claims that do not have a measurable impact on the data. This doesn't mean that a claim isn't true. Sometimes, it just isn't measurable. For this reason, we stress that you should be skeptical ...

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