Question
Tell whether this survey describes a good sample and if so, name the method of sampling used. A phone company randomly calls 6 names from the phone book to find whether the person is satisfied with the phone service.
yes, random
yes, systematic*****
yes, stratified
not a good sample
yes, random
yes, systematic*****
yes, stratified
not a good sample
Answers
Disagree. Sample of 6 too small.
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