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https://www.youtube.com/watch?v=JwSyWfOBdTE&list=PLEUKy_nwlzwFbxj6ilK2XXHJqBXMcTOOc&index=2
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IPA analysis
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Statistics:
For good management
good measurement is needed
Descriptive statistics
Summarize data of interest
Inferential statistics
Predict future pattern
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