You intend to estimate a population mean with the following sample 31 42 5 39...
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You intend to estimate a population mean with the following sample 31 42 5 39 35 5 41 33 9 37 4 37 6 42 5 You believe the population is normally distributed Find the 95 confidence interval Enter your answer as an open interval This means enter your answer inside of parentheses accurate to two decimal places because the sample data are reported accurate to one decimal place For example if the lower limit is 12 2 and the upper limit is 15 3 enter your answer as 12 2 15 3 95 C I Answer should be obtained without any preliminary rounding However the critical value may be rounded to 3 decimal places Did you enter your answer as an open interval as described above
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