A survey was developed to estimate the average number of hours per week that adults spend exercising.  Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed.  The data showed that the mean number of hours spent exercising was 3.2 hours per week.  Which characteristic of the survey could create a bias in the results?      The size of the sample  The size of the sample  The method of analyzing the data  The method of analyzing the data  The method of choosing the people who were surveyed  The method of choosing the people who were surveyed  The size of the population

A First Course in Probability (10th Edition)
10th Edition
ISBN:9780134753119
Author:Sheldon Ross
Publisher:Sheldon Ross
Chapter1: Combinatorial Analysis
Section: Chapter Questions
Problem 1.1P: a. How many different 7-place license plates are possible if the first 2 places are for letters and...
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A survey was developed to estimate the average number of hours per week that adults spend exercising.  Every third person entering a large fitness complex was surveyed, with a total of 2,500 people being surveyed.  The data showed that the mean number of hours spent exercising was 3.2 hours per week.  Which characteristic of the survey could create a bias in the results? 
 
 
  • The size of the sample 
    The size of the sample 
  • The method of analyzing the data 
    The method of analyzing the data 
  • The method of choosing the people who were surveyed 
    The method of choosing the people who were surveyed 
  • The size of the population 
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