A grocery store owner would like to know if his shoppers are happy with the shopping experience in his store. Which of the following methods would be the best for choosing a random sample that is a fair representation of his shoppers?

Put all unique shopper's names for the year into a drum and randomly select 80 shoppers to survey.

Explanation:

this statement is true.

forests are public goods, available for everybody. when usage of such a good becomes interesting for consumers and its usage increases, there can be a risk of overexploitation. it is a non rival good therefore, if one person consumes the good it does not reduce the availability for subsequent consumers.

these caracteristics require the establishment of measures in order to prevent the destruction of a commonly owned space, for example, to restrict the amount of people that have access to the same time.

chronological thinking is an indispensable tool to structure a historical narrative and to give meaning to a sequence of events. the final section presents the results of a survey to test the chronological thinking of lower secondary school students carried out by the educational research institute.