Set3 1

1. Which of the following is a method of data collection that is used in surveys?
a.
telephone
b.
Mail
c.
the Internet
d.
all of the above

2. All of the following are examples of an observation study EXCEPT:
a.
a mystery shopper pretending to be a customer in a McDonald’s outlet
b.
a cable laid across the street that records the number of cars that pass a certain intersection
c.
determining how long employees spend taking breaks to smoke cigarettes
d.
a consumer responding to a questionnaire about advertising

3. When a researcher puts the name of each person on a sampling frame list on a 3" x 5" card, shuffles the cards thoroughly, and then selects 35 names from the top of the pile of cards for a phone interview study, this is an example of what type of sampling procedure?
a.
judgment sample
b.
simple random sample
c.
stratified sample
d.
area sample

4. Which of the following involves any procedure that draws conclusions based on measurements of a portion of the entire population?
a.
sampling
b.
theorizing
c.
segmenting
d.
causal inference

5. When a researcher wants to put together four focus groups of 18-24 year-old males who are "heavy downloaders of music" (defined as downloading 50 songs per month) and, instead of asking people at a shopping mall whether they download music from the Internet, he finds one person in the target market who qualifies, and then asks that person to suggest the names of two other males between the ages of 18-24 who download music so that the researcher can invite them to participate in the focus group, and then those people are each asked to suggest two others similar to themselves to participate in the focus group study, this procedure represents what type of sampling procedure?
a.
stepwise sample
b.
judgment sample
c.
area sample
d.
snowball sample

6. A sampling procedure that assures each element in the population of an equal chance of being included in the sample is called:
a.
simple random sampling
b.
primary random sampling
c.
primary sampling
d.
stratified sampling

7. If the population mean is assumed to be 20 and the sample standard deviation is 5, a score of 15 would have a Z-value of approximately:
a.
+1.00
b.
-7.00
c.
-1.00
d.
+5.00

8. In which type of sampling is a subsample drawn using simple random sampling within each stratum?
a.
cluster sampling
b.
stratified sampling
c.
systematic sampling
d.
convenience sampling

9. A stratified sample in which the number of sampling units drawn from each stratum is in proportion to the population size of that stratum is called a(n):
a.
proportional stratified sample
b.
balanced stratified sample
c.
even stratified sample
d.
primary stratified sample

10. Which of the following is a step in determining sample size?
a.
estimate the standard deviation of the population
b.
make a judgment about the allowable magnitude of error
c.
determine a confidence level
d.
all of the above

11. If a national political pollster selects ten states randomly, then randomly selects five counties within each state, then randomly selects five voting precincts within these counties, then randomly selects five blocks within these precincts, then randomly selects five households for door-to-door interviews about their voting intentions in the next Presidential election, this is an example of what type of sampling procedure?
a.
simple random sample
b.
multistage area sample
c.
systematic sample
d.
Non-probability sample

12. The following formula is the formula for calculating the _____.

a. standard error of the mean
b.
standard deviation
c.
standard normal distribution
d.
Variance

13. Find the approximate standard deviation of the following set of scores: 3, 6, 2, 7, 8 .
a.
2.24
b.
2.59
c.
3.32
d.
6.70

14. One of the most common probability distributions in statistics is the _____ distribution.
a.
Normal
b.
Standard
c.
Central
d.
confidence interval

15. All of the following are characteristics of the standardized normal distribution EXCEPT:
a.
symmetrical about its mean
b.
has an infinite number of cases
c.
mean identifies the normal curve’s highest point (the mode)
d.
has a mean of 1 and a standard deviation of 0

16. What type of question is the following?

Which of the following services of the United Missouri Bank, besides your personal checking account, do you currently use? (check all that apply)

______ Savings account

______ Car loan

______ Home mortgage loan

a. pivot question
b.
filter question
c.
checklist question
d.
counterbalancing question

17. Dichotomous or multiple-choice alternatives in fixed-alternative questions should not have overlap among categories, which means the categories should be:
a.
Exhaustive
b.
mutually exclusive
c.
positively worded
d.
Balanced

18. All of the following are guidelines that help prevent the most common mistakes in designing questions EXCEPT:
a.
avoid personal questions
b.
avoid complexity
c.
avoid leading questions
d.
avoid double-barreled questions

19. "What is your favorite hobby, playing video games, or what?" is an example of what type of question?
a.
Loaded
b.
Pivot
c.
Filter
d.
Leading

20. A question such as: "Have you ever received a speeding ticket? _____ Yes _____ No," when followed by a question such as: "When did you receive that ticket?" is an example of what type of question?
a.
double-barreled
b.
Leading
c.
Filter
d.
Anchoring