What is difference between Shapiro–Francia test and Shapiro–Wilk test?

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Chi-square test for allele distribution?

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Fabrice Clerot

https://en.wikipedia.org/wiki/Shapiro%E2%80%93Francia_test

Mehmet Guven Gunver

Shapiro-Wilk test is sensitive to the sample size. Here is a new approach to determine normality

Article TO DETERMINE SKEWNESS, MEAN AND DEVIATION WITH A NEW APPROAC...

Miguel Patrício

The following article compared the two and concluded that Shapiro Wilk is better than Shapiro Francia in most - but not all - cases tested (in agreement with other findings reported in the literature). I would personally go with Shapiro Wilk.

Article Comparing the performance of normality tests with ROC analys...