Consider the relationship between customers who buy high-definition televisions and exercise machines as shown in Tables 6.19
Question:
(a) Compute the odds ratios for both tables.
(b) Compute the ϕ-coefficient for both tables.
(c) Compute the interest factor for both tables.
For each of the measures given above, describe how the direction of association changes when data is pooled together instead of being stratified.
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a For Table 619 odds ratio 14938 For Table 620 the odds ratios are 083...View the full answer
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Related Book For 
Introduction to Data Mining
ISBN: 978-0321321367
1st edition
Authors: Pang Ning Tan, Michael Steinbach, Vipin Kumar
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