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What is the sample standard deviation of the sample of 3 observations 130.6 98.2 90.1 Hint the sample mean is 106.3 When you do this

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What is the sample standard deviation of the sample of 3 observations 130.6 98.2 90.1 Hint the sample mean is 106.3 When you do this in the exam you should write down what you enter into the calculator so you can get part marks if you enter it incorrectly

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