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You requested a trend report on A Market Research Firm Is Studying The Effects Of Price And Type Of Packaging On Sales Of A Particular Product. Twenty Seven Stores With Shoppers Of Similar Characteristics Will Be Used In The Study. The Nine Combinations Of Three Price Levels And Three Packaging Types Are The Treatments Of Interest. Total Sales Of The Product Over A Seven Week Period Will Be Recorded. Which Of The Following Describes The Best Design To Use For The Study