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AP®︎/College Statistics

Course: AP®︎/College Statistics > Unit 6

Lesson 1: Introduction to planning a study

Identifying a sample and population
Identify the population and sample
Generalizability of survey results example
Generalizability of results
Types of studies
Worked example identifying observational study
Invalid conclusions from studies example
Types of studies

Identify the population and sample

AP.STATS: DAT‑2 (EU), DAT‑2.A (LO), DAT‑2.A.1 (EK), DAT‑2.A.2 (EK) CCSS.Math: HSS.IC.A.1

A city council member wanted to know how her constituents felt about a planned rezoning. She randomly selected 75 names from the city phone directory and conducted a phone survey.

Identify the population and sample in this setting.

(Choice A)
The population is everyone listed in the city phone directory; the sample is the 75 people selected.
(Choice B)
The population is residents of the city; the sample is the registered voters in the city.
(Choice C)
The population is registered voters in the city; the sample is everyone listed in the city phone directory.

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AP®︎/College Statistics

Course: AP®︎/College Statistics > Unit 6

Problem