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Proportions

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Basic Statistics
Mean
n
Median
STDEV
Cp Cpk % out of tolerance
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Compare with
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Diff mean normally
Diff median not normally
Diff variation normally
Diff variation not normally
Normally test
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Full version of Develve
For commersial use
75 EURO
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Proportions
Chi Square test
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Kruskal-Wallis Test
Variation Levene test
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Full version of Develve
For commersial use
75 EURO

To determine if there is a significant difference between proportion. A portions is a data set with only good or false results (Nominal Scale). For example a portions of 90% with a samples size of 200 is 180 good and 20 false results.

1 sample Proportion test

To determine the significant difference between an Hypothesized proportion and a measured proportion.

Interpretation

Colors of the cells

Options

Formula

formula
With the z value can the program interpolate the p value out of the z table.

Sample size

Not Equal

formula

Bigger/smaller

formula

2 sample Proportions test

To determine the significant difference between an two different proportions.

Interpretation

Options

Colors of the cells

Formula

formula
With the z value can the program interpolate the p value out of the z table.

Sample size

Not Equal

formula

Bigger/smaller

formula

Legend

n = n
x = amount of positive/negative situations
p = n-x
q = 1-p
formula= Hypothesized proportion
formula= Proportion a
formula= Proportion b

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