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Chapter 21-Hypothesis Testing - Coggle Diagram
Chapter 21-Hypothesis Testing
Hypothesis Test Basics
Test whether data you have fits a data model
Answer the question whether something changed within the data, often after a team has modified
Compare a statistic to a hypothesis about the data or population
Null versus alternative
alternative hypothesis
Null hypothesis
Selecting the right hypothesis test
Distribution of data
Not normal
Normal
1-Proportion Test
Used when one factor for x
Number of levels of interest for the input in question (1,2, or more than )
Which type of data you have
Discrete or attribute
Continous/Variable
Why Run Hypothesis Test?
Is the numbers different
Is it statistically different
Is the mean statistically higher