Sampling Methods

Of the types of methods just mentioned, is there one that you think would give you a better idea what people thought?

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Which of the following would be an example of an entire population?

• Number of boys in the entire school

• Number of students taking Math 3

• Total number of students enrolled at FHS

• Number of students who ride the bus

Which is NOT an example of random sampling? Select all that apply.

• Picking people that are wearing green shirts

• Using a computer to generate ID numbers

• Drawing names out of a hat

• Selected every 4th person in line.

Would the following be an example of stratified sampling?

Picking 3 people with As, 3 people with Bs, 3 people with Cs, 3 people with Ds, and 3 people with a failing average

• Yes

• No

Which method:

You go to an elementary schook at choose five students per grade to answer a survey

• Random

• Stratified

• Systematic

• Cluster

Which method:

Every 20th gadget is tested for defects

• Random

• Stratified

• Systematic

• Cluster

Is a convenience sample a good method to collect data?

• Yes, because you are still getting a random people to answer.

• Yes, beause these are people that available.

• No, because this is may not be a good sample of the entire population.

• No, because it is to easy.