Hypothesis testing is a branch of statistics in which, using data from a sample, an inference is made about a population ...

The p-value depends on the sample size, the test statistic and the spread (usually standard deviation) of the samples. Let’s return to the example above. Our null hypothesis is: “The mean module mark ...

and the rejection region for a hypothesis test. Give the form of a rejection region. Perform tests concerning a true population variance. Compute the sampling distributions for the sample mean and ...

looking at the difference between the meaning of the word "hypothesis" and the word "prediction". Ideas from observations are developed into questions. For example, it may be thought that a heavy ...