Use the following dataset to answer the following question.StateYearSales TaxSales per StoreEmployees per StoreIndiana20147.25$650,00050Illinois20147.75$625,00065Indiana20158.00$800,05075Illinois20158.75$525,00055What is the unit of observation?

A. State
B. State-year
C. Sales-employee per store
D. Panel


Answer: B

Biology & Microbiology

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Answer the following statement true (T) or false (F)

Biology & Microbiology