Z-test calculator for two means examples

Z-test calculator for equality of means

Z-Test for two means examples In this tutorial we will discuss some numerical examples on two sample z test for testing difference between the means. Z test Calculator for two means The $Z$-test calculator for testing two population means makes it easy to calculate the test statistic, $Z$ critical value and the $p$-value given the …

Read more

Z-test for two means

Z-test for equality of means

Two sample Z-test for means In this tutorial we will discuss two sample Z test for testing the difference between means of two populations when the population standard deviations are known. In practice two sample Z test is not used often, because in reality the population standard deviations $\sigma_1$ and $\sigma_2$ are unknown. In such …

Read more