问一道统计学问题（英文）?急Manuel Banales,Marketing Director of Plano Power Plants,Inc.'s Electrical Division,is directing a study to identify and assess the relative importance of product features.Manuel directs his staff to design a su

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问一道统计学问题（英文）?急Manuel Banales,Marketing Director of Plano Power Plants,Inc.'s Electrical Division,is directing a study to identify and assess the relative importance of product features.Manuel directs his staff to design a su
问一道统计学问题（英文）?急
Manuel Banales,Marketing Director of Plano Power Plants,Inc.'s Electrical Division,is directing a study to identify and assess the relative importance of product features.Manuel directs his staff to design a survey questionnaire for distribution to all of Plano's 954 customers.For this study,the set of 954 customers is _____________ .
a.the population
b.a parameter
c.a statistic
d.the frame
e.a sample

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