A random sample of stock prices per share (in dollars) is shown. Find the 90% confidence interval
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26.69 3.88 28.37 2.00 7.50 47.50 43.00 3.81 53.8 13.62 45.12 6.94 28.25 28.00 60.50 40.25 10.87 46.12 14.75 75.37
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