Refer to the claim below and find the value of the test statistic.
Claim: Most adults do not have hypertension. When
977
randomly selected adults were tested, it was found that
73.5%
of them do not have hypertension.
The value of the test statistic is
---.
here claim is Most adults do not have hypertension.
the null and alternative hypothesis is
Ho:p =0.5
Ha:p > 0.5
using excel>addin>phstat>one sample test
we have
Z Test of Hypothesis for the Proportion | |
Data | |
Null Hypothesis p = | 0.5 |
Level of Significance | 0.05 |
Number of Items of Interest | 718.095 |
Sample Size | 977 |
Intermediate Calculations | |
Sample Proportion | 0.735 |
Standard Error | 0.0160 |
Z Test Statistic | 14.6908 |
Upper-Tail Test | |
Upper Critical Value | 1.6449 |
p-Value | 0.0000 |
Reject the null hypothesis |
The value of the test statistic is 14.6908
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