histogram + box plots
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Last updated 5:30 PM on 1/17/26
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4 Terms
1
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visual test for normality of data
not all measured data are normally distributed
can be seen visually
if data doesn’t fully fit the normal cure it can test statistically
2
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descriptive test for data normality - skewness
symmetrical distribution = 0
left skewed = negative value
right skewed = positive value
3
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descriptive test for data normality - kurtosis
normal distribution = 0
tall distribution, small tails - positive value
flat distribution = negative value
4
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box and whicker plot
valuable way of presenting a large amount of data succinctly
provide a better picture of the distribution of data set and allows comparison of overall
Note 
Flashcards (31)