1. The head of the marketing division of a leading chocolate manufacturer must decide among four 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 90 I Is there sufficient basis for making a decision among wrappers? Use alpha = 0.05. (17 points) For this question be sure to do the following: B Wrapper B 98 Wrapper C 130 Wrapper D 82 State the statistical hypotheses (using the appropriate notation) Set the decision rules, which will include: O State alpha O Compute the degrees of freedom o Providing the critical value for the test statistic O Sketch the curve and label the rejection region O State the decision rules State Chi-square formula Calculate the test statistic using the table method. Draw a conclusion (state whether Ho is rejected or not and why you made this decision). Interpret the result.