Week three Discussion one and two 75 words per discussion due by 11pm cst

Discussion 1

What is a hypothesis test?  Why do we need to use them to make decisions about relating sample results to the population; why can’t we just make our decisions by the sample value?

Guided Response: Review several of your classmates’ posts.  Respond to at least two classmates by commenting on the potential differences in the results and how that might affect decision making.  

Discussion 2

Several statistical tests have a way to measure effect size.  What is this, and when might you want to use it in looking at results from these tests on job related data?

Guided Response:  Review several of your classmates’ posts.  Respond to at least two of your classmates.