Deck 21: Sample Survey

Question 1

Conclusions drawn from a sample survey _____.

A) apply only to the sample
B) apply to any population
C) apply only to the sampled population
D) None of the answers is correct.

Answer 1

apply only to the sampled population

Question 2

A target population is _____.

A) the population from which the sample is actually selected
B) the population for which inferences are to be made
C) always the same as the sampled population
D) the same as the sample

Answer 2

the population for which inferences are to be made

Question 3

The target population and the sampled population _____.

A) are always the same
B) are not always the same
C) must be the same for the results to be accurate
D) None of the answers is correct.

Answer 3

are not always the same

Question 4

The population from which the sample is actually selected is _____.

A) always the target population
B) the census
C) the selected sample
D) the sampled population

Question 5

A sampling unit _____.

A) must have one element
B) may include several elements
C) cannot include more than one element
D) None of the answers is correct.

Question 6

Cluster sampling is _____.

A) a nonprobability sampling method
B) the same as convenience sampling
C) a probability sampling method
D) None of the answers is correct.

Question 7

Any method of sampling for which the probability of selecting a sample cannot be computed is termed _____.

A) probability sampling
B) nonprobabilistic sampling
C) unknown population sampling
D) None of the answers is correct.

Question 8

Which of the following sampling methods is a probabilistic sampling method?

A) judgment sampling
B) convenience sampling
C) cluster sampling
D) None of the answers is correct.

Question 9

Which of the following is an example of nonprobabilistic sampling?

A) simple random sampling
B) stratified simple random sampling
C) cluster sampling
D) judgment sampling

Question 10

A version of cluster sampling in which the elements are formed into clusters on the basis of their geographic proximity is _____ sampling.

A) stratified simple random
B) random
C) judgment
D) area

Question 11

A number added to and subtracted from a point estimate to create an approximate 95% confidence interval is known as _____.

A) cluster of points
B) bound on sampling error
C) area point estimation
D) systematic sampling error

Question 12

A list of the sampling units for a study is _____.

A) the sampled population
B) called the frame
C) the same as the sample
D) the sample space

Question 13

Stratified random sampling is a method of selecting a sample in which _____.

A) the sample is first divided into strata, and then random samples are taken from each stratum
B) various strata are selected from the sample
C) the population is first divided into strata, and then random samples are drawn from each stratum
D) None of the answers is correct.

Question 14

A survey of a subset of a population is called a _____.

A) sample survey
B) target survey
C) sampled population
D) survey of element

Question 15

A sample selected in such a manner that each sample of size n has the same probability of being selected is _____.

A) a convenience sample
B) a judgment sample
C) nonprobabilistic sampling
D) a simple random sample

Question 16

Probabilistic sampling is any method of sampling in which _____.

A) the probability of the occurrence of various events in the study are known
B) there are only two possible outcomes, such as P(A) and P(A^c)
C) the probability of each possible sample can be computed
D) the probability of each possible sample is 1

Question 17

A survey of an entire population is called _____.

A) population analysis
B) population
C) census
D) target population

Question 18

Convenience sampling is an example of _____.

A) probabilistic sampling
B) sampling where the probabilities are known
C) nonprobabilistic sampling
D) None of the answers is correct.

Question 19

The error that occurs because a sample, and not the entire population, is used to estimate a population parameter is a _____ error.

A) nonsampling
B) sampling
C) judgment
D) standard

Question 20

The entity on which data are collected is _____.

A) the sample
B) the element
C) the population
D) termed a census

Question 21

A list of the sampling units for a study is called a _____.

A) frame
B) cluster
C) stratum
D) population

Question 22

A method of selecting a sample by randomly selecting the first element and then selecting every kth element thereafter is _____ sampling.

A) area
B) stratified
C) systematic
D) stratified simple random

Question 23

An unbiased estimate of the population total is given by the _____.

A) sample mean multiplied by the size of the sample
B) sample mean multiplied by the size of the population
C) sample size multiplied by the standard error
D) standard deviation divided by the square root of the sample size

Question 24

Sampling errors can _____.

A) be avoided by increasing the sample size to at least 30
B) be avoided if the sample is increased so that it will be at least 5% of the population
C) be avoided by using probabilistic sampling
D) not be avoided

Question 25

With nonprobabilistic sampling _____.

A) it is possible to make estimates about the precision of the population parameters
B) it is not possible to make statements about the precision of estimates made concerning the population parameters
C) the precision can be estimated if the sample is larger than 30
D) None of the answers is correct.

Question 26

Errors such as measurement error, processing error, and interviewer error are _____.

A) sampling errors
B) nonsampling errors
C) either sampling or nonsampling errors
D) impossible to detect

Question 27

In a sample survey, it is common practice to use a t value of _____ (when approximating a 95% confidence interval).

A) 1
B) 2
C) 3
D) 4

Question 28

Selecting a subset of clusters and then selecting a sample of elements in each of those clusters is referred to as _____cluster sampling.

A) stratified
B) convenient
C) single-stage
D) two-stage

Question 29

Survey costs are highest for _____surveys.

A) mail
B) personal interview
C) Internet
D) telephone

Question 30

Selecting a subset of clusters and then collecting data on all elements in those clusters is referred to as _____ cluster sampling.

A) stratified
B) convenient
C) single-stage
D) two-stage

Question 31

Which of the following is(are) the most common type(s) of surveys?

A) only mail surveys
B) only telephone surveys
C) only personal interviews
D) All of the answers are correct.

Question 32

The advantage of nonprobabilistic sampling is that it is inexpensive and _____.

A) provides statistically valid statements about the precision of the estimate
B) can provide valid parameter estimates
C) is error free
D) None of the answers is correct.

Question 33

Not sampling from the intended target population is an example of _____.

A) stratified sampling
B) sampling error
C) cluster sampling
D) nonsampling error