Tag Null hypothesis

power and sample size

Size and power

Power and sample size Two associated qualities. And very enviable too. Especially when it comes to scientific studies (what were you thinking about?). Although there’re more factors involved, as we’ll see in a moment. Let’s suppose we are measuring the…
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null hypothesis

It all spins around the null hypothesis

Null hypothesis The null hypothesis, you familiarly call it H0, has a misleading name. Despite what one might think, that improper name doesn’t prevent it to be the core of all hypothesis testing. And, what is hypothesis testing?. Let us…
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