UOP RES710 Week 5 Discussion (dq1+dq2) Latest 2022 August

RES710 Statistical Research Methods And Design I

Week 5 Discussion

DQ1 Normal Distribution

In statistics, it is critical to know what is meant by a normal distribution.

Write a 250- to 300-word response to the following:

What are the properties of a normal distribution?

Is a normal distribution always necessary? Why or why not?

Why do researchers often refer to a normal distribution as a theoretical normal distribution?

DQ2 Sampling

In Ch. 6, Frankfort-Nachmias and Leon-Guerrero (2018) explore various aspects related to sampling. Explore the aims of sampling and types of probability sampling. Then refer to your own mock study topic and variables identified in Week 1.

Write a 250- to 300-word response to the following:

What types of sampling do you think would be most appropriate for your study? Why?

How does sample size affect the validity of a study?