Author Question: Descriptive statistics are used to: a. tell us how accurately we can infer from the part to the ... (Read 47 times)

rosent76 · **on:** Jun 20, 2018

Descriptive statistics are used to:

a. tell us how accurately we can infer from the part to the whole.
b. Enable us to organize, summarize and describe our observations.
c. Both a and b.

Question 2

What is the purpose of a null hypothesis in a research study?

What will be an ideal response?

carlsona147 · **Reply #1 on:** Jun 20, 2018

Answer to Question 1

B

Answer to Question 2

A null hypothesis permits researchers to assess whether an apparent relationship is genuine or is likely to be a function of chance. If statistical tests indicate that the observed relationship has only a very slight probability of occurring by chance, then we can reject the null in favor of the alternate hypothesis.