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U may have to use stat crunch D Question 3 5 pts A pollution index was calculated for a sample of cities in the eastern

U may have to use stat crunch

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D Question 3 5 pts A pollution index was calculated for a sample of cities in the eastern states using data on air and water pollution. Assume the distribution of pollution indices is unimodal and symmetric. The mean of the distribution was 35.9 points with a standard deviation of 11.6 points. What is the z score of a city that with a pollution index of 31.1 points? Round to the 1 digit after the decimal point

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