Hypothesis Test for a Mean
This Java applet tutorial prompts the user to input the components of a hypothesis test for the mean. Hints are provided whenever the user enters an incorrect value. Once the steps are completed and the user has chosen the correct conclusion for accepting or rejecting the null hypothesis, a statement summarizing the conclusion is displayed. The applet is supported by an explanation of the steps in hypothesis testing and a description of one-tailed and two-tailed tests.
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Camille Fairbourn (Faculty)
I really like the algorithmic nature of this applet and that apparently students could practice for as long as they like. I've not used it in class, but might in the future. The hints feature and the popup error/warning messages are great.
The applet uses the term "Cast of Characters" which I assume is the instructor's term for the statistics used in a test, but may not be generally known to students.
Time spent reviewing site: 20 minutes
Peggy Hohensee (Administrator)
The practice this would provide would be very helpful; however, the null and alternate hypotheses are not absolutely correct in the format that is required by this application.
The popups provide a good guide to the students while they practice.