Sampling Methods Stats

Which of the following would reduce the variability in sampling?

• Using a larger sample size

• Using a smaller sample size

• Assigning individuals randomly

• Using Judgement Sampling

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?

• 42

• 4

• 20

• 19

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

• Simple random

• Stratified random

• Cluster random

• Strategic Random

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

• Stratified Random

• Cluster Random

• Simple Random

• Systematic

• survey every fifth person who shops at a mall
• survey all of the students on the student council
• survey every tenth student entering the school one morning
• survey all of the students who went to the last basketball game

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.

• SRS

• Systematic

• Stratified

• Cluster

• Convenience

Identify the sampling method:

Every fifth person boarding a plane is searched thoroughly.

• SRS

• Stratified

• Cluster

• Systematic

• Voluntary Response

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

• SRS

• Stratified

• Cluster

• Systematic

• Convenience

Identify the sampling method:

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

• SRS

• Systematic

• Stratified

• Cluster

• Convenience

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.

• SRS

• Stratified

• Cluster

• Convenience

• Voluntary Response