Hypothesis testing for the mean of a Normal distribution
Choose the value of the mean for the null hypothesis, the form of the alternative hypothesis, the population standard deviation, and the sample size for the hypothesis test.[br][br]Press the New sample button to select a new sample of size n from a Normal population, with the given standard deviation and a mean which may or may not be the same as the mean in the null hypothesis.[br][br]The value of the test statistic is shown by the blue line, and the critical region is also shown on the graph.[br][br]Click the checkbox to show the true mean of the population from which the sample was taken. Was the test result correct?