The Cornell National Social Survey 8 polls 1000 U.S. adults each year throughout that time. One question asked in each survey was “How much does your family spend weekly on eating out?” The table shows the results for 2008 and 2010. Was there a change?
a) Would you interpret a chi-square test as a test of homogeneity or a test of independence?
b) Write appropriate hypotheses.
c) Are the conditions for inference satisfied?
d) A calculation gives x2 = 9.581, P = 0.0481. What conclusion do you draw?
e) Here are the standardized residuals. State a more complete description of what the data say.

  • CreatedMay 15, 2015
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