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in the statistical analysis section, the authors write: “Post hoc power calculations of our sample size...

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Basic Math

  1. in the statistical analysis section, the authors write:“Post hoc power calculations of our sample size with 107per group was 95% (5% significance) to detect an increasereadmission rate as found in the study;…..”.

Comment. [2 marks]

It's an open question and I have no idea what to answer, so uhave any idea please feel free to answer!

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The power of a statistical test analysis is defined aswhere is theprobability of type II error A Type II error is the probability offailing to reject the null hypothesis when the    See Answer
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