You have been retained by “Expressive Espresso” to help them decide where to build their next Expressive Espresso coffee house. You are therefore interested in what affects the total number of sales per day. You thus look at fifty of the existing Expressive Espresso shops and gather information on each of them. You think average daily sales (in dollars) could be affected by location, so you decide to gather information on the zip code for each Expressive Espresso shop, but you also think that the number of cars that drive past each day along with the modal education (highest degree earned) of the people in the area are also important. You collect all the data and do your experiment. a. What is the sample in the above experiment? How does it differ from the population?
You have been retained by “Expressive Espresso” to help them decide where to build their next Expressive Espresso coffee house. You are therefore interested in what affects the total number of sales per day. You thus look at fifty of the existing Expressive Espresso shops and gather information on each of them. You think average daily sales (in dollars) could be affected by location, so you decide to gather information on the zip code for each Expressive Espresso shop, but you also think that the number of cars that drive past each day along with the modal education (highest degree earned) of the people in the area are also important. You collect all the data and do your experiment. a. What is the sample in the above experiment? How does it differ from the population?
Database System Concepts
7th Edition
ISBN:9780078022159
Author:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher:Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Chapter1: Introduction
Section: Chapter Questions
Problem 1PE
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You have been retained by “Expressive Espresso” to help them decide where to build their next Expressive Espresso coffee house. You are therefore interested in what affects the total number of sales per day. You thus look
at fifty of the existing Expressive Espresso shops and gather information on each of them. You think average daily sales (in dollars) could be affected by location, so you decide to gather information on the zip code for each Expressive Espresso shop, but you also think that the number of cars that drive past each day along with the modal education (highest degree earned) of the people in the area are also important. You collect all the data and do your experiment.
a. What is the sample in the above experiment? How does it differ from the population?
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