Step 3: Take the random sample of size n and compute xbar, the sample mean. Compare this with the critical value to either accept or reject the null hypothesis. Step 1: Based on alpha and the ...

The resulting statistic is used to determine whether to accept or reject a null hypothesis ... hypothesis (Ha) states there is a statistically significant difference. A one-sample t-test can ...

The first thing any scientist does before performing an experiment is to form a hypothesis about the experiment's outcome. This often takes the form of a null hypothesis, which is a statistical ...