A confidence interval for a mean is a range of values that is likely to contain a…
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Tutorials
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P-values and Effect SizeTutorials
Bayes Factor: Definition + Interpretation
by Erma Khanby Erma KhanWhen we conduct a hypothesis test, we typically end up with a p-value that we…
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In statistics, probability refers to the chances of some event happening. It is calculated as: PROBABILITY: …
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Chi-Square TestsTutorials
Three Ways to Calculate Effect Size for a Chi-Square Test
by Erma Khanby Erma KhanIn statistics, there are two commonly used Chi-Square tests: Chi-Square Test for Goodness of Fit:…
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There are two important terms in the field of inferential statistics that you should know…
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A matched pairs design is an experimental design that is used when an experiment only has two…
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The Wilcoxon Signed Rank Test is the non-parametric version of the paired t-test. It is used to…
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Often in statistics you will encounter tables that display information about frequencies. Frequencies simply tell…
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A posterior probability is the updated probability of some event occurring after accounting for new information. For…
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In statistics, we’re often interested in understanding how a dataset is distributed. In particular, there…