A survey of 1000 adult Americans ( Rasmussen Reports , April 15, 2004) asked each whether the
Question:
a. Identify the response variable and the explanatory variable, and their categories.
b. Construct a contingency table (similar to Table 3.1) that shows the counts for the different combination of categories.
c. Use a contingency table to display the percentages for the two options, separately for females and for males.
d. Explain why the percentages reported here are conditional percentages.
e. Give an example of how results would have to differ from these for you to conclude that there's no evidence of association between these variables.
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Related Book For
Statistics The Art And Science Of Learning From Data
ISBN: 9780321755940
3rd Edition
Authors: Alan Agresti, Christine A. Franklin
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