Statistical Inference Formulas

ParameterStatisticC.ITest Statistic

2 unknown

or *

[where = the within-pair difference]

2s unknown but roughly equal

,*[ **] (2 independent samples)~

,

()

,

while

Prediction interval of a future observation unknown

* If variance is known or large sample size n 30:

** If 2s unknown are not equal use the following df:

Inference concerningcontingency table

: Row variable is independent of the column variable;

: Row variable is not independent of the column variable.

Test Statistic:

_1054553397.unknown

_1054554793.unknown

_1130756214.unknown

_1504099265.unknown

_1504100386.unknown

_1504100899.unknown

_1504099546.unknown

_1504098588.unknown

_1504098652.unknown

_1504097738.unknown

_1504098262.unknown

_1130758220.unknown

_1054555190.unknown

_1054555605.unknown

_1054555762.unknown

_1054555817.unknown

_1054555731.unknown

_1054555273.unknown

_1054554820.unknown

_1054554096.unknown

_1054554197.unknown

_1054554660.unknown

_1054554107.unknown

_1054554021.unknown

_1054554069.unknown

_1054553444.unknown

_1054553649.unknown

_1054552825.unknown

_1054553295.unknown

_1054553338.unknown

_1054553104.unknown

_1054553200.unknown

_1054552441.unknown

_1054552455.unknown

_1054552469.unknown

_1054552353.unknown

_1054552363.unknown

_1054552386.unknown

_1054552332.unknown