assign5S09

assign5S09 - PSTAT 120C: Assignment #5 Due May 21, 2009 1....

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PSTAT 120C: Assignment #5 Due May 21, 2009 1. A recent Gallup poll of 1003 American found that 68% favored a proposal to expand federal hate crime laws to include crimes committed on the basis of the victim’s gender, sexual orien- tation, or gender identity. The pollsters were interested in how church attendance may affect these opinions. The data collected can be cross-tabulated as Favor Oppose Don’t know Attends Every week 167 78 16 Church Every month 260 113 16 Services Never 258 81 14 Calculate the χ 2 statistic to test whether or not church attendance is correlated with the opinion on hate crimes legislation. Interpret your result. 2. Every Tuesday afternoon during the school year, a certain university brought in a speaker to lecture on a topic of current interest. The lecture organizing committee wants to know which classes are attending the lectures and how they should target their publicity. After the fourth lecture of the year a random sample of 250 students were asked how many of the lectures they
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assign5S09 - PSTAT 120C: Assignment #5 Due May 21, 2009 1....

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