Quiz 4

Question 0

Sampling Frame is defined as

Answer 0

The list of individuals from which we draw the sample

Question 1

An example of a sampling error is

Answer 1

under coverage

Question 2

Margin of error

Answer 2

random sampling error

Question 3

The most serious problem facing samples surveys is:

Answer 3

nonresponse

Question 4

The subject lies about the number of drinks she has in a week because she is embarised

Answer 4

response error

Question 5

Don’t you think Mcdonalds is your favorite fast food resterant? this is an example of what type of error?

Answer 5

Wording

Question 6

Weighting the responses to a sample survey:

Answer 6

Helps correct sources of bias, increase variability, to adjust for variations in the sample related to population in age, gender, and other variables.

Question 7

True or false: in a stratified random sample, all individuals in the population have the same chance of being chosen

Answer 7

false: stratified samples need not give all individuals in the population the same chance of being chosen. Some strata may be overrepresented in the sample to represent the population.

Question 8

Before you believe in a poll, you should:

Answer 8

find out whole opinions were being sought determine if it was just after some events that might have influenced opionion? check to see if the random sampling was metioned.