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Use McNemar's test (and this calculator) only when you are analyzing matched pairs. Each value you enter above represents a number of PAIRS. The total number of ...

https://www.graphpad.com/quickcalcs/mcnemar1/

Since t tests compare means of continuous variable between groups, contingency tables use methods such as chi square instead of t tests. Assumptions of t ...

https://www.graphpad.com/quickcalcs/ttest1/

Jul 31, 2020 ... Sample size plays a critical role in every statistical analysis. ... Running a Chi-square or Fisher's exact test will help you determine ...

https://www.graphpad.com/series/

Rather than do the Mann-Whitney test, consider analyzing the data as categorical data using a chi-square test to compare the two groups. ... value on a Gaussian ...

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... value of the curve. Weighted nonlinear regression minimizes the sum of the square of these residuals. Note the ambiguity in defining weighting. The Prism ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

It is a range of values, centered on the best-fit value. Prism can display ... Why Prism doesn't report the chi-square of the fit; Goodness of fit with ...

https://www.graphpad.com/guides/prism/latest/curve-fitting/

Aug 16, 2023 ... Understanding Chi-Square and Fisher's Exact Tests in Prism. INSIDE THE VIDEO. Running a Chi-square or Fisher's exact test will help you ...

https://www.graphpad.com/series/

Sep 27, 2023 ... Note that this version of Prism fixes a critical issue present in previous versions of Prism with macOS 14 Sonoma. ... Chi-square (and Fisher's ...

https://www.graphpad.com/updates/

Useful rule of thumb: If two 95% CI error bars do not overlap, and the sample sizes are nearly equal, the difference is statistically significant with a P value ...

https://www.graphpad.com/guides/prism/latest/statistics/