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Please Answer Correctly and you must use Excel and show your workings. 1. A city wants to know if a new advertising campaign to make

Please Answer Correctly and you must use Excel and show your workings.

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1. A city wants to know if a new advertising campaign to make citizens aware of the dangers of driving after drinking has been effective. The accompanying table shows the number of drivers who have been stopped with more alcohol in their systems than the law allows for each day of the week in the week before and the week a month after the campaign starts. Day of Week Before After Has the advertising campaign been effective? Test at the 10% level of significance

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