Hypothesis test for a population proportion shown in Figure 9.11 in the electronic article surveillance situation on pages 373 and 374:
• Select Add-Ins: MegaStat: Hypothesis Tests : Proportion vs. Hypothesized Value
• In the “Hypothesis Test: Proportion vs. Hypothesized Value” dialog box, enter the hypothesized value (here equal to 0.05) into the “Hypothesized p” window.
• Enter the observed sample proportion (here equal to 0.16) into the “Observed p” window.
• Enter the sample size (here equal to 250) into the “n” window.
• Select the desired alternative (here “greater than”) from the drop-down menu in the Alternative box.
• Check the “Display confidence interval” checkbox (if desired), and select or type the appropriate level of confidence.
• Click OK in the “Hypothesis Test: Proportion vs. Hypothesized Value” dialog box.