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Statistics 4-7 - Coggle Diagram
Statistics 4-7
Measures of Dispersion
Range
Quartile deviation
Outliers
Mean,Mode,Median,Decile,Percentile, Quartile
Mean, Absolute deviation,SD, Variance
Measure of dispersion
Remove outliers
Quartile deviation
Outliers
Unusual
Machine broked
sum of deviation
Mean deviation formula
(sigma Xj - x-)/n
X - Observations
x- Mean
n - Number of obser
Probablity
Events - Occurence
Mutual exclusive
Totallu exclusive
Approaches
Relative
Percentage of error
Classical approach
Subjective approach
Subject to r and d
Conditional probability
Event types
Independent
Dependent
Addition theorem
p{AUB} = p{A} + p{B} - p(A∩B)
Coefficient of skewness
Bowley
(Mean - Median)/sd
3*(Mean-median)/sd