Question3: Consider the following 10 independent measurements from a normal distribution: Independent measurements 12 21 20 11
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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 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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