HP 40gs hp 40gs_user's guide_English_E_HDPMSG40E07A.pdf - Page 136
One-Proportion Z-Test
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hp40g+.book Page 10 Friday, December 9, 2005 1:03 AM Results Field name σ2 α The results are: Result Test Z Prob Critical Z Definition Population 2 standard deviation. Significance level. Description Z-Test statistic. Probability associated with the Z-Test statistic. Boundary value of Z associated with the α level that you supplied. One-Proportion Z-Test Menu name Z-Test: 1π On the basis of statistics from a single sample, this test measures the strength of the evidence for a selected hypothesis against the null hypothesis. The null hypothesis is that the proportion of successes in the two populations is equal: H0 : π = π0 You select one of the following alternative hypotheses against which to test the null hypothesis: H1:π < π0 H1:π > π0 H1:π ≠ π0 11-10 Inference aplet