quiz 2

Question 0

“American idol” asks veiwers to call in to vote on the best canidate. This is an example of…

Answer 0

Voluntary response sample

Question 1

If a statistical study systematically favors certain outcomes, then it is:

Answer 1

biased

Question 2

You decide to conduct a sample survey of 10 classmates about the university’s new alcohol policy. You decide to survey the first 10 people to walk in the door. This is an example of:

Answer 2

Convenience sampling

Question 3

Women’s Daily, a magazine which caters primarily to an over 40 female audiences, conducts a survey in their magazine about which sex cheats more. Is this survey biased?

Answer 3

yes

Question 4

A sampling method that best avoids bias is:

Answer 4

simple random sampling

Question 5

To choose a random sample:

Answer 5

Put all names in hat, assign number and use random digits, assign a random number to each individual, sort in numerical order, choose from top of the list.

Question 6

How do you allow impersonal chance to choose the sample for your survey?

Answer 6

Conduct a random sample