1. Three separate companies conducted similar surveys related to internet use.

    Company ACompany BCompany C
    Sample Size
    756
    1020
    904


    Assuming all other factors were similar, which company do you expect had

      1. the smallest margin of error?


      1. the smallest confidence interval?


  2. Three separate companies conducted similar surveys related to food preference.

    Company DCompany ECompany F
    Confidence
    Level
    19 out of 20
    9 out of 10
    49 out of 50


    Assuming all other factors were similar, which company do you expect had

      1. the smallest margin of error?


    1. the smallest confidence interval?


  3. Three separate companies conducted similar surveys related to vacation
    activity.

    Company GCompany HCompany I
    Confidence
    Level
    90%
    95%
    98%
    Margin of Error
    4.2%
    4.9%
    5.8%

    Explain why it is difficult to compare the claims of the companies.





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