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9 12 22 12 22 20 18 26 26 25 Find a 90 percent confidence interval for , assuming that the sample is from a

9 12 22 12 22

20 18 26 26 25

Find a 90 percent confidence interval for, assuming that the sample is from a normal population.(Round your standard deviation answer to 4 decimal places and t-value to 3 decimal places. Round your answers to 3 decimal places.)

The 90% confidence interval _______to________

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