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Fast-Food Expenditures The average person, according to one source, spends $171 per year on fast-foods. If the standard deviation is $12 , find the corresponding

Fast-Food Expenditures The average person, according to one source, spends $171 per year on fast-foods. If the standard deviation is $12 , find the corresponding z score for each raw score. Round z scores to at least two decimal places. The z score corresponding to $156 is

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