to determine her air quality Debra divides up her day into three parts morning afternoon and...
to determine her air quality Debra divides up her day into three parts morning afternoon and evening she then measures her air quality at three randomly selected times during each part of the day what type of sampling is used
Homework Answers
The type sampling procedure Debra used is Stratified random sampling.
Since Debra divides the population (air quality of the day) into three strata i.e morning, afternoon and evening.
She chooses three random sample from each of this strata.
Therefore the sampling procedure used is Stratified random sampling.
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