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

1. State the dependent and independent variable

2. Is this directional or non directional test