Intro to Stats

Identify the target population from the following research question:

How did the pandemic impact high-school student's mental health in Texas?

• All high-school students in the U.S.

• All high school students in Texas.

• All students in Texas.

Identify the population of interest.

Are immigrants in Canada more likely to have better mental health than Canadian-born citizens?

• Immigrants that live in Canada.

• Everyone who lives in Canada.

• Canadian-born citizens.

Why do we collect a sample? Because...

• the population does not represent the sample.

• the population is too big.

• a sample always represents the population

• we are not interested in the population

In ideal conditions, your sample should...

• be random and representative

• be large and random

• be large and representative

• resemble the targe population

Your sample needs to be representative. Why?

(Select all that apply)

• To draw legitimate conclusions about the population from the sample.

• So that your findings are generalizable outside of your sample.

• To reduce the # of people needed in the sample.

Your sample needs to be sufficiently large. Why?

(Select all that apply)

• When it's large enough, the sample becomes representative.

• When it's large enough, the statistical estimates become more accurate.

• Recruiting lots of participants makes the sample representative.

True or False. Random sampling is a technique used to collect a sample from the population. It ensures that you collect a large enough sample.

• True

• False

True or False: Convenience sampling results in sampling bias.

• True

• False

T/F: There are no lectures on assignment weeks. I will not email Tak asking why lectures were cancelled on assignment weeks.

• True

• False