=+20. A city police department wants to know if the new law enacted to curb traffic violations

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=+20. A city police department wants to know if the new law enacted to curb traffic violations by its citizens has been effective in decreasing the number of car accidents.

They count of the number of accidents a month after the law was passed for each day of the week. Here are the results:

Day Before After M 6 3 T 5 1 W 3 1 Th 5 8 F 7 3 S 15 5 Su 7 8

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Business Statistics Plus Pearson Mylab Statistics With Pearson Etext

ISBN: 978-1292243726

3rd Edition

Authors: Norean R Sharpe ,Richard D De Veaux ,Paul Velleman

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