Do people's political philosophy tend to change with age? One technique we may use to answer this
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Do people's political philosophy tend to change with age? One technique we may use to answer this question is to see if the mean age of conservatives, moderates, and liberals differ. Go to www.pearsonhighered.com/sullivanstats to obtain the data file SullivanStatsSurveyI using the file format of your choice for the version of the text you are using.
(a) State the null and alternative hypotheses.
(b) Verify that the requirements to use the one-way ANOVA procedure are satisfied. Normal probability plots indicate that the sample data come from normal populations.
(c) Are the mean ages for the three political philosophies different at the a = 0.1 level of significance?
(d) Draw boxplots of the ages of the three political philosophies to support the analytic results obtained in part (c).
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a b It is reasonable to assume that the samples are r...View the full answer
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Related Book For 
Statistics Informed Decisions Using Data
ISBN: 9780134133539
5th Edition
Authors: Michael Sullivan III
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