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Chapter 1: Problem 3

Data from a poll conducted by Travelocity led to the following estimates: Approximately \(40 \%\) of travelers check work e-mail while on vacation, about \(33 \%\) take cell phones on vacation in order to stay connected with work, and about \(25 \%\) bring laptop computers on vacation (San Luis Obispo Tribune, December 1, 2005). Are the given percentages population values or were they computed from a sample?

Short Answer

Expert verified
The given percentages were likely computed from a sample, not population values. The percentages present likely represent estimates obtained from a sample survey or poll done by Travelocity on a subset of all travelers.

Step by step solution

01

Understanding the context

Start by understanding the context of data: The data was conducted by a travel agency, Travelocity, and it pertains to the habit of travelers concerning their work-related activities while on vacation. Travelocity could potentially be interested in all travelers, thus the population could be all travelers.
02

Identify the type of data

Look if there's suggestion that data came from a studied subset (sample) or the entire group (population)? In this case, the source information states that it's from a poll conducted by Travelocity. A poll implies that they surveyed a subgroup of all travelers, and estimated the parameters of interest (such as email checking, bringing phones, and laptops for work) based on the responses of that subgroup.

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