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Question 4 2 pts Ch07 - From a sample of 100 stores in your area you have found that the mean price of milk is

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Question 4 2 pts Ch07 - From a sample of 100 stores in your area you have found that the mean price of milk is $3.36. The mean nationally is $3.19 with a standard deviation of $0.23. You are considering the difference between the mean of the sample from your area and the national mean. Calculate the obtained statistic. Include any necessary symbols. Round answer to the second decimal place (.12)

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