Sophia Learning
Sophia: Z Test for Population Means: Lesson 3
This lesson will explain hypothesis testing when the population standard deviation (sigma) is known. It is 3 of 5 in the series.
Sophia Learning
Sophia: Z Test for Population Means: Lesson 1
This lesson will explain hypothesis testing when the population standard deviation (sigma) is known. It is 1 of 5 in the series.