The contingency table shows the distribution of a random sample of fatal pedestrian motor vehicle collisions by
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The contingency table shows the distribution of a random sample of fatal pedestrian motor vehicle collisions by time of day and gender in a recent year. At α = 0.10, can you conclude that time of day and gender are related?
(a) Find the expected frequency for each cell in the contingency table,
(b) Identify the claim and state H0 and Ha,
(c) Determine the degrees of freedom, find the critical value, and identify the rejection region,
(d) Find the chi-square test statistic,
(e) Decide whether to reject or fail to reject the null hypothesis, and
(f ) Interpret the decision in the context of the original claim.
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Related Book For
Elementary Statistics Picturing The World
ISBN: 9780134683416
7th Edition
Authors: Ron Larson, Betsy Farber
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