ave a data set of completely random data and I want to run 100 t-tests comparing riables. If I set ap value of 0.05, how many times would I likely find something stat

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I have a data set of completely random data and I want to run 100 t-tests comparing the
variables. If I set a p value of O.05, how many times would I likely find something statistically
significant by chance alone?
95
50
What is the risk of running too many statistical tests on the same data set?
increased chance of type I error
increased chance of type II error
increased risk of type III error
increased risk of not finding statistical significance
Transcribed Image Text:I have a data set of completely random data and I want to run 100 t-tests comparing the variables. If I set a p value of O.05, how many times would I likely find something statistically significant by chance alone? 95 50 What is the risk of running too many statistical tests on the same data set? increased chance of type I error increased chance of type II error increased risk of type III error increased risk of not finding statistical significance
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