(a) Does this stacked bar chart suggest that the chi-squared test of independence will be statistically significant?...
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(b) What are the degrees of freedom in the chi-squared test of independence for these data?
(c) Should seeing a mosaic plot of these data possibly change your answer to a?
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■ Series 1 D Series 2 D Series 3 Series 4 4 40 42 39 35 34 31 28 29 0% 20% 40% 60% 80% 00%
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Related Book For
Statistics For Business Decision Making And Analysis
ISBN: 9780321890269
2nd Edition
Authors: Robert Stine, Dean Foster
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