Quiz about Sampling Methods Stats

Question 1

Which of the following would reduce the variability in sampling?

Accepted Answer

Using a larger sample size

Answer

Using a smaller sample size

Answer

Assigning individuals randomly

Answer

Using Judgement Sampling

Question 2

You are surveying from a group of 35 people using a simple random sample. You assign each member of the group a number, then select 3 of them using the random digits: 61424 20419 86546 00517. Which number is selected second?

Accepted Answer

19

Answer

42

Answer

4

Answer

20

Question 3

Which of the following surveying methods divides individuals by a shared attribute, then randomly surveys members within each attribute-group?

Accepted Answer

Stratified random

Answer

Simple random

Answer

Cluster random

Answer

Strategic Random

Question 4

Which of the following surveying methods involves randomly selecting groups of individuals, then surveys all individuals in the group?

Accepted Answer

Cluster Random

Answer

Stratified Random

Answer

Simple Random

Answer

Systematic

Question 5

Question 5.

Accepted Answer

survey every tenth student entering the school one morning

Answer

survey every fifth person who shops at a mall

Answer

survey all of the students on the student council

Answer

survey all of the students who went to the last basketball game

Question 6

The names of 70 contestants are written on 70 cards, The cards are placed in a bag, and three names are picked from the bag.

Accepted Answer

SRS

Answer

Systematic

Answer

Stratified

Answer

Cluster

Answer

Convenience

Question 7

Identify the sampling method:

Every fifth person boarding a plane is searched thoroughly.

Accepted Answer

Systematic

Answer

SRS

Answer

Stratified

Answer

Cluster

Answer

Voluntary Response

Question 8

At a local community College, five math classes are randomly selected out of 20 and all of the students from each class are interviewed.

Accepted Answer

Cluster

Answer

SRS

Answer

Stratified

Answer

Systematic

Answer

Convenience

Question 9

Identify the sampling method:

A researcher for an airline interviews all of the passengers on five randomly selected flights.

Accepted Answer

Cluster

Answer

SRS

Answer

Systematic

Answer

Stratified

Answer

Convenience

Question 10

Identify the sampling method:

A community college student interviews the first 100 students to enter the building to determine the percentage of students that own a car.

Accepted Answer

Convenience

Answer

SRS

Answer

Stratified

Answer

Cluster

Answer

Voluntary Response

Question 11

A group of librarians is interested in the numbers of books and other media that patrons check out from their library. They examine the checkout records of 150 randomly selected adult patrons.

Accepted Answer

The population is all adult patrons of the library; the sample is the 150.

Answer

The populations is all patrons of the library; the sample is the adult patrons of the library.

Answer

The population is all patrons is all patrons who check out at least 1 book from the library; the sample is the 150 patrons selected.

Question 12

If you have 1,000 schools on the list, number them from 000 to 999 and read the table three digits at a time. What are the first five schools in this sample?

Accepted Answer

241, 983, 724, 152, 579

Answer

24, 19, 83, 72, 41

Answer

2419, 8372, 4152, 5761, 0849

Question 13

Suppose that 10,000 lottery tickets are sold and 5 are drawn as the winning tickets. Each collection of 5 tickets that can be formed is equally liked to comprise the group of 5 that is drawn.

Accepted Answer

Simple Random Sample

Answer

Sample of Convenience

Answer

Cluster Sampling

Answer

Systematic Sampling

Question 14

A physical education professor wants to study the physical fitness levels of 20,000 students enrolled at her university. She obtains a list of all 20,00 students numbered 1 to 20,000 and uses a computer random number generator to generate 100 random integers between 1 and 20,000, then invites the 100 students corresponding to those numbers to participate in the study.

Accepted Answer

Simple Random Sampling

Answer

Systematic Sampling

Answer

Voluntary Response.

Answer

Simple Random Sample

Question 15

A company has 800 full time and 200 part time employees. To draw a sample of 100 employees, a simple random sample of 80 full-time employees is selected and a simple random sample of 20 part-time employees is selected.

Accepted Answer

Stratified Random Sampling

Answer

Voluntary Response

Answer

Systematic Sampling

Answer

Cluster Sampling

Question 16

Automobiles are coming off an assembly line. It is decided to draw a systematic sample for a detailed check of the steering system. The starting point will be the third car, then every fifth car after that will be sampled.

Accepted Answer

Systematic sampling

Answer

Cluster Sampling

Answer

Samples of Convenience

Answer

Simple Random sample

Question 17

Identify the sampling method:

Based on 12,500 responses from 42,000 surveys sent to its alumni, a major university estimated that the annual salary of its alumni was 92,500.

Accepted Answer

Voluntary Response

Answer

SRS

Answer

Cluster

Answer

Stratified

Answer

Convenience

Question 18

Identify the sampling method:

A community college student interviews the first 100 students to enter the building to determine the percentage of students that own a car.

Accepted Answer

Convenience

Answer

Systematic

Answer

Cluster

Answer

Stratified

Answer

Voluntary Response

Sampling Methods Stats

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