Data Types and Sampling Methods

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.A.1

CCSS.HSS.IC.B.3

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.A.1

CCSS.HSS.IC.B.3

CCSS.HSS.IC.B.4

An engineering student measures the strength of fingers used to push buttons by testing family members. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

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.A.1

CCSS.HSS.IC.B.3

Fund-raisers for the local college test a new telemarketing campaign by obtaining a list of all alumni and selecting every 100th name on that list. Which sampling type is this?

• random

• systematic

• convenience

• stratified

• cluster

The gummy worm increased by 2 inches.

• Qualitative

• Quantitative

There were four dogs in the group.

• Qualitative

• Quantitative

The dogs were small.

• Qualitative

• Quantitative