An economist wants to estimate the mean per capita income (in thousands of dollars) for a major city in Texas. Suppose that the mean income is found to be $23.4 for a random sample of 211 people. Assume the population standard deviation is known to be $5.7. Construct the 80% confidence interval for the mean per capita income in thousands of dollars. Round your answers to one decimal place.

it depends on the weather. because i have flown to seattle when it was pouring down rain and there was one time i flew to ohio when it was snowing hard. whats your situation.

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you didn't give me the choices, so i will just give you the graph so you can look at your choices and choose the right one.

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7 is the median   7.875 is the mean

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3,4,5,6,8,11,13,13