Sample data from a normal population are located in the Microsoft Excel Online file below. Use the data to answer the following questions for the σ unknown case. Sample Data 1 4 11 2 10 17 5 11 Confidence Coefficient=0.95 The point estimate of the population mean is (to 2 decimals)   The standard deviation is (to 2 decimals)   The margin of error is (to 1 decimal)   The 95% confidence interval is (to 1 decimal)

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