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Question3: Consider the following 10 independent measurements from a normal distribution: Independent measurements 12 21 20 11 13 9 15 16 17 20 1) What

Question3: Consider the following 10 independent measurements from a normal distribution:

Independent measurements
12	21	20	11	13	9	15	16	17	20

1) What is the standard error of the sample mean? 1.3806 4.1419 5.4251 1.3098

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2) Calculate a 99% confidence interval for the population mean. [3.9527,26.8473] [11.7045,19.0955] [11.1434,19.6566] [12.0895,18.7105]

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