Sampling & Surveys Review

Question 1

Mr Elliott is surveying students at KWHS. He randomly selects 25 of the 742 students. 12 reply. What's the population?

Accepted Answer

742 students at KWHS

Question 2

A representative sample is a subset of a population that reflects the characteristics of the entire population

Accepted Answer

True

Question 3

You survey a random sample of people in a strata.

Accepted Answer

True

Question 4

What is the TI-84 calculator command to generate a "random" number?

Accepted Answer

MATH>PRB>5

Question 5

Which definition is this: "the smallest collection of individuals to which treatments are applied"?

Accepted Answer

Experimental Units

Question 6

In a census, we survey a random representative sample of the population.

Accepted Answer

False

Question 7

Stratified random sampling is good for large, spread out populations.

Accepted Answer

False

Question 8

You survey every person in a cluster.

Accepted Answer

True

Question 9

You call 1,200 voters and ask "What is your #1 political concern?" You only call landlines. What's the bias?

Accepted Answer

Undercoverage

Question 10

McConville wants to know if teachers are stressed. He emails a survey & asks us to voluntary respond. What's the bias?

Accepted Answer

Nonresponse

Question 11

Voluntary response sample is a random sampling type.

Accepted Answer

False

Questions 11