he marketing head 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

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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The marketing head  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 Wrapper B Wrapper C Wrapper D
90 98 130 82

compute the Pearson correlation coefficient (Chi Square Test)

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