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How do I disinfect my piano: Instruction video
Playing the piano is and remains a very safe activity, especially if only you play your piano. Then additional measures are not necessary at all. If several people are playing the same instrument, it is recommended to disinfect in between. Pianos …
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SPSS Manual: Types of statistical tests
Have you just collected data for your paper or thesis via a survey or experiment and do you want to use SPSS to analyze and visualize your data? In this simple guide you will learn how to open a file, the difference between data and variable …
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OneSided: Using one-sided statistical significance tests
Project OneSided is a contained argument for the use of one-sided statistical significance tests and confidence intervals.
It is a good educational resource for those wanting to learn about statistical hypothesis testing, what is a null hypothesis …
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