Chapter 9: Developing the Sampling Plan

Question 1

Sample vs Census

Answer 1

*** statistical procedure can be used on population data with both sample and census.

Question 2

Sample size depends on (3)

Answer 2

how precise your estimate must be
degree of confidence you would like to have in estimate
and variability of the population

Question 3

Judgement samples distinguished by

Answer 3

the sample elements are hand picked by the investigator because it is expected they can offer the contributions soughts

Question 4

convenience samples best used for

Answer 4

exploratory research

Question 5

snowball sampling

Answer 5

use when want a large number of samples fast.

Question 6

Problem with non probability sampling

Answer 6

one cannot assess the amount of sampling error likely to occur

Question 7

Stratified sampling

Answer 7

put into groups and then chose a random sample independently in each group.

Question 8

Systematic Sampling

Answer 8

randomly decide to begin at company number 4 and pick the every 10th company until 50 have been selected.

Question 9

o Non Probability Samples include

Answer 9

• Convenience Samples
• Judgment Samples
• Snowball Sample
• Quota Samples

Question 10

o Probability Samples include

Answer 10

• SimpleRandom Samples
• Systematic Samples
• Stratified Samples
• Cluster Samples

Question 11

Population

Answer 11

All cases that meet designated specifications for membership in the group

Question 12

Parameter

Answer 12

A characteristic or measure of the population

Question 13

Sampling frame

Answer 13

The list of pop elements from which a sample will be drawn; the list could consist of geographic areas, institutions, individuals or, Other units