diff --git a/tutorial_pages/check-power.qmd b/tutorial_pages/check-power.qmd index bb679f1..727486c 100644 --- a/tutorial_pages/check-power.qmd +++ b/tutorial_pages/check-power.qmd @@ -32,11 +32,12 @@ If we sample values from two normal distributions with different means (e.g. N(0 *** **YOUR TURN:** -1. Use your simulation skills to work out the power through simulation. -Write a function that does the following: - i) Draws `n` values from a random normal distribution with `mean1` and another `n` values from a normal distribution with `mean2`. - ii) Compares the means of these two samples with a *t*-test and extracts the *p*-value. -2. Replicate the function 1000 times using the parameters used in the power calculation above (that used the `power.t.test()` function). +1. Use your simulation skills to work out the power through simulation. Write a function that does the following: + + i. Draws `n` values from a random normal distribution with `mean1` and another `n` values from a normal distribution with `mean2`. + ii. Compares the means of these two samples with a *t*-test and extracts the *p*-value. + +2. Replicate the function 1000 times using the parameters used in the power calculation above (that used the `power.t.test()` function). 3. Calculate the proportion of *p*-values that are smaller than 0.05. ***