Stratified sampling is the sampling method which is the most appropriate for determining the mean number of students per statistics class in your state.
This method involves dividing subjects into subgroups known as strata according to shared features.
To determine the mean number of students per statistics class in your state, the state should be divided into strata based on the area, then some statistics classes are then selected for further analysis so as to determine the number of students per statistics class in the state.
This is therefore the reason why Stratified sampling method was chosen as the appropriate choice.
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