Basic Statistics & Probability Calculators from the Lecture: Wissenschaftliche Arbeitsmethoden  

I. Distribution-Score and P-value

Distribution Tables (One Tail)

• Values of Student's t-distribution
• Values of the χ²-distribution

Distribution-Score and P-value calculators

• P Value and z-Quantile Calculator for the Standard Normal Distribution
• P Value and t-Quantile Calculator for Student's t-distribution
• P Value and Quantile Calculator for the χ²-distribution
• P Value and Quantile Calculator for the F-distribution

II. Important Statistical Tests: Import data from your spreadsheet

Select a statistical hypothesis test, thereafter Copy&Paste from your spreadsheet software into the above input box (or generate radom sample data), and press Start (Input-format: Tab-separated or semicolon ";" delimited. The decimal mark: Either a dot "." or a comma ",") Javascript in your browser has to be enabled! Generate radom sample data   Delete data  Excel sheet with some examples

III. Sample size calculator (examples)

• Comparing Two Independent Samples, Sample Size Calculator

IV. Important Statistical Tests: Manual data entry

Which Correlation Coefficient?

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

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

© Wolfgang Schramm (2008)

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