Statistical Tests

One-sample Z-test

Formula:

[insert formula here]

From the formula, the z-test requires:

1. [Sample/Population] mean, [insert or write notation]
2. [Sample/Population] standard deviation, [insert or write notation]
3. Sample size

The primary purpose of the one-sample z-test is to compare between a [population/sample] mean and a known, [sample/population] mean.

The hypotheses for a one-sample Z-testis:

=

=

Should we use the one-sample Z-test if...

• ... is given/not given?
• ... is given/not given?