Select the Right Test Statistic: OneSample Tests for the Mean

1
Select the Right Test StatisticOneSample Tests
for the Mean
NO
This is standard for most Statistics texts.
However, we will always use t.
2
The OneSample tTestUnderlying Assumptions

• The population is normally distributed with a
  mean µ and a standard deviation s.
• s is unknown (or n is small, or both).
• The sample was randomly drawn from the research
  population.