The president of Roger's, a chain of grocery stores in Texas, was interested in determining the proportion of his grocery employees that would prefer a bonus check equal to a day's pay over a paid day off work. The president drives to the nearest Roger's store and surveys 30 of the 100
employees at that store. Which of the following correctly describes the population and sample for
this survey?
A) The population is all employees of this Roger's grocery store and the sample is the
30 employees selected to answer the survey
B) The population is the employees at all Roger's grocery stores in Texas and the
sample is all the employees at the one Roger's grocery store that he surveyed.
C) The population is the 70 employees not selected to answer the survey and the sample
is the 30 employees selected to answer the survey.
D) The population is the 30 employees selected to answer the survey and the sample is
the 70 employees not selected to answer the survey