Decision
What kind of variable is your response/data?
Check
Are you being asked if the data match a frequency distribution?
Decision
How many categories are there?
Check
Are you being asked if the proportion equals a specific p₀?
Ch.8
χ² Goodness-of-Fit Test (proportional or other distribution)
Decision
Is the variable discrete or continuous?
Check
Are events randomly distributed in time or space (Poisson process)?
Ch.8
χ² Goodness-of-Fit Test (Poisson distribution)
Check
Are you asking if the mean equals a specific hypothesized value?
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