Description of the WISE Power Applet
Note: this is not a 'live' applet.
This applet simulates a test of the null hypothesis
that the population mean is equal or less than a specified value (e.g.,
μ ≤ 100). The alternative hypothesis is that the population mean
is greater than this value (e.g., μ > 100). We assume a normal
population distribution with a known standard deviation (e.g., σ
= 15) so we can conduct a one-tailed z test.
The user can enter desired values into the text
boxes or use a mouse to ‘drag’ the mean of the Alternate Population, the
sample size, or power to see how a change of one value affects others
Place the cursor over different parts on the picture above for a description of
Questions, comments, difficulties? See our
technical support page or contact us: firstname.lastname@example.org.