HP Prime Graphing Wireless Calculator Instrukcja Użytkownika Strona 314

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The Numeric view is where you enter the sample statistics and population parameters for the situation you
are examining. The sample data supplied here belong to the case in which a student has generated 50
pseudo-random numbers on his graphing calculator. If the algorithm is working properly, the mean would be
near 0.5 and the population standard deviation is known to be approximately 0.2887. The student is
concerned that the sample mean (0.461368) seems a bit low and it testing the less than alternative
hypothesis against the null hypothesis.
Displaying the test results
Tap .
The test distribution value and its associated probability are displayed, along with the critical value(s) of the
test and the associated critical value(s) of the statistic. In this case, the test indicates that one should not
reject the null hypothesis.
Tap to return to Numeric view.
Plotting the test results
Press .
266 Chapter 13 Inference app
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