The head of the marketing division of a leading chocolate manufacturer must decide among our different wrapper styles for the chocolate. To provide a database for the decision, he has the chocolate placed in the different wrappers and distributes them to five supermarkets. At the end of 2 weeks, he finds that the following amounts of chocolate were sold: Wrapper A  Wrapper B  Wrapper C Wrapper D  90 98 130 82 State the dependent and independent variable  Is this directional or non directional test

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