Test Two Practice
❖ Null Hypothesis: There is no relationship between the two variables stated in the
hypothesis. (Research Fails to prove the hypothesis)
❖ Alternative Hypothesis: There is a relationship between the two variables presented (IV
❖ Case I Research: Uses one sample to test a hypothesis about the value of the population,
with high and low scores.
❖ Case II Research: Uses two samples to test a hypothesis about the differences between the
two population means, Control group and Sample group
▪ Hypothesis testing asks about populations not samples.
❖ Beyond Case II Research: More than two samples are used to and the differences among
the population means that are observed.
❖ Correlation Resea