?

AP® Statistics

Free Version

Upgrade subject to access all content

Easy

Annual Income Survey

APSTAT-YTUAUJ

Suppose $100$ subjects were asked what their annual income was last year.

This is an example of...

A

A stratified sample.

B

An experiment, but not a double-blind experiment.

C

A comparative observational study.

D

A double-blind experiment.

E

A sample, but not a stratified sample.