Z-test
id:
z-test-243-1574382
title:
Z-test
text:
A Z-test is any statistical test for which the distribution of the test statistic under the null hypothesis can be approximated by a normal distribution. Z-test tests the mean of a distribution. For each significance level in the confidence interval, the Z-test has a single critical value which makes it more convenient than the Student's t-test whose critical values are defined by the sample size. Both the Z-test and Student's t-test have similarities in that they both help determine the signifi
brand slug:
wiki
category slug:
encyclopedia
description:
Statistical test
original url:
https://en.wikipedia.org/wiki/Z-test
date created:
date modified:
2024-02-04T14:35:25Z
main entity:
{"identifier":"Q897827","url":"https://www.wikidata.org/entity/Q897827"}
image:
{"content_url":"https://upload.wikimedia.org/wikipedia/commons/0/0b/Null-hypothesis-region-eng.png","width":652,"height":363}
fields total:
13
integrity:
15