of the samples. Let’s return to the example above. Our null hypothesis is: “The mean module mark for students who attend MASH workshops is the same as for students who do not attend MASH workshops.” ...
Confidence intervals and hypothesis tests are directly linked ... a p-value answers the question "How surprising is my sample?" The confidence interval can answer the question "What values of the ...
We can design studies to have particulat levels of power. We typically go for 80 or 90% power which mean 80% or 90% of the time, our study will correctly reject the null hypothesis. Sample size ...