Types of Random Sampling

The entire collection of items or subjects that are the focus of the study

• Sample

• Population

• Census

• Sample Size

Researcher Selects participants based on easy accessibility

• Cluster Sample

• Sample Survey

• Convenience Sample

• Stratified Random Sample

Researcher chooses the sample from the entire populaton through a randomization technique, such as drawing names from a hat.

• Convenience Sample

• Voluntary Response Sample

• Simple Random Sample

• Stratified Random Sample

Researcher separates the population into evenly sized groups, randomly selects one participant in the first group and then every nth participant

• Stratified Random Sample

• Simple Random Sample

• Systematic Random sample

• Convenience Sample

Every person in the total population participates

• Sample

• Population

• Census

• Sample Size

The author of the statistical study was an observer at a police sobriety checkpoint at which every 5th driver was stopped and interviewed. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

A researcher for the Spaulding athletic equipment company is studying the relationship between the level of education and participation in any sport. She conducts a survey of 40 randomly selected golfers, 40 randomly selected tennis players and 40 randomly selected swimmers. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

On Days of presidential elections, the news media organize an exit poll in which specific polling stations are randomly selected and all voters are surveyed as they leave the premises. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1

CCSS.HSS.IC.B.4

In Internal Revenue Service researcher investigates cheating on income tax reports by surveying all waiters and waitresses at 20 randomly selected restaurants. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

Tags

CCSS.HSS.IC.B.3

In a Gallup poll of 1059 adults, the interview subjects were selected by using a computer to randomly generate telephone numbers that were then called. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

Tags

CCSS.HSS.IC.B.3

CCSS.HSS.IC.A.1