Basic Statistics & Probability Calculators from the Lecture: Wissenschaftliche Arbeitsmethoden


I. Distribution-Score and P-value

Distribution Tables (One Tail)

Distribution-Score and P-value calculators


II. Important Statistical Tests: Import data from your spreadsheet

Copy&Paste from your spreadsheet software into the above input box, select a statistical hypothesis test and press ( A tab-delimited or semicolon (;) delimited input is possible.)

 


III. Important Statistical Tests: Manual data input



Which Correlation Coefficient?

Interval/RatioOrdinalDichotomous
Interval/RatioPearsonSpearman RankPoint Biserial
OrdinalSpearman RankSpearman RankRank Biserial
DichotomousPoint BiserialRank BiserealPhi Coefficient

Which Test to detect differences in central tendencies (mean resp. median) between 2 populations?

Independent SamplesPaired Samples
Interval/RatioT-Test for independent VariablesPaired t-Test
OrdinalMann-whitney U-TestWilcoxon-Signed-Rank Test or Sign Test
Dichotomousχ2-TestMcNemar Test

Which Test to detect differences in central tendencies (mean resp. median) between more than 2 populations?

Independent SamplesPaired Samples
Interval/RatioOne-Way-ANOVAOne-Way-Repeated-Measures-ANOVA
OrdinalKruskal-Wallis TestFriedman Test or Quade Test
Dichotomousχ2-TestCochran Q Test

© Wolfgang Schramm (2008)


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