What type of statistical test is used if you DO know the pop

What type of statistical test is used if you DO know: the population s.d., N is greater than 30, the sample mean, and the population average?

Question 11 options:

Correlated t-test

T-test

Null test

Standard Scores Test

Solution

we use z (standard score) test if population standard deviation d is known or if sample size is greater than 30 (where Central Limit Theorem holds), otherwise we use t test to test hypothesis of mean.

Here we use

Standard Scores Test