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Statistics and probability

Course: Statistics and probability > Unit 6

Lesson 3: Sampling methods

Picking fairly
Using probability to make fair decisions
Techniques for generating a simple random sample
Simple random samples
Techniques for random sampling and avoiding bias
Sampling methods
Sampling methods review
Samples and surveys

Simple random samples

AP.STATS: DAT‑2 (EU), DAT‑2.C (LO), DAT‑2.C.1 (EK), DAT‑2.C.2 (EK) CCSS.Math: HSS.IC.B.3

Mr. Thompson runs his own printing and bookbinding business. He suspects that the machine isn't putting enough glue into the book spines and decides to inspect his most recent order of 70 textbooks to test his theory. He numbers them 01-70 and, using the random digit table printed below, selects a simple random sample of 5 books to check.

Which books are in the sample?

8506355810104700802930025

(Choice A)
06, comma, 35, comma, 58, comma, 10, comma, 10
(Choice B)
06, comma, 35, comma, 58, comma, 10, comma, 47
(Choice C)
85, comma, 06, comma, 35, comma, 58, comma, 10
(Choice D)
50, comma, 63, comma, 55, comma, 10, comma, 04

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Statistics and probability

Course: Statistics and probability > Unit 6

Problem