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# One Mean Z test Calculator with Examples

## One mean z test Calculator with examples

In this tutorial we will discuss z test calculator for testing population mean with step by step numerical examples on Z-test for testing single population mean

## One Mean Z test Calculator

The z test calculator for testing population mean makes it easy to calculate the test statistic, z critical value and the p-value given the sample information, level of significance and the type of alternative hypothesis (i.e. left-tailed, right-tailed or two-tailed.)

Z test Calculator for one mean
Population Mean ($\mu$)
Population Standard Deviation ($\sigma$)
Sample Size ($n$)
Sample Mean ($\overline{x}$)
Level of Significance ($\alpha$)
Tail : Left tailed
Right tailed
Two tailed
Results
Standard Error of Mean:
Test Statistics Z:
Z-critical value:
p-value:

## How to use z test calculator for testing single proportion?

Step 1 – Enter the population mean $\mu$ and population standard deviation $\sigma$.

Step 2 – Enter the sample size $n$

Step 3 – Enter the sample mean $\overline{X}$

Step 4 – Enter the level of significance $\alpha$

Step 5 – Select the alternative hypothesis (left-tailed / right-tailed / two-tailed)

Step 6 – Click on "Calculate" button to find z test statistics

Step 7 – It calculates z critical value

## Endnote

In this tutorial, you learned the about how to solve numerical examples on z-test for testing population mean. You also learned about the step by step procedure to apply Z-test for testing population mean and how to use Z test calculator for testing population mean to get the value of test statistic, p-value, and z-critical value.