Each observation in a random sample of 100 bicycle accidents resulting in death was classified according to the day of the week on which the accident occurred. Data consistent with information given on the web site www.highwaysafety.com are given in the following table

Based on these data, is it reasonable to conclude that the proportion of accidents is not the same for all days of the week? Use a = .05.

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Day of Week Sunday Monday Tuesday Wednesday Thursday Friday Saturday Frequency 14 13 12 15 14 17 15