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Graphical method
: Henry line proposed
✓
Aligned points?
Yes: Hypothesis of a normal distribution
Cumulative percentages
A
NALYZE
Characterization of the data distribution
Intervals
S
TEP
3: P
ERFORM A STATISTICAL TEST TO VERIFY THE
NORMALITY OF YOUR DATA
Understand the shape of your data distribution. Was it expected?
S
TEP
2: B
UILD AN HISTOGRAM OF YOUR DATA
Use the Excel spreadsheet
03/10/17
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