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1. The area to the right of 1.88 under Student's t-curve with 12 degrees of freedom is 2. The area to the left of -

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1. The area to the right of 1.88 under Student's t-curve with 12 degrees of freedom is 2. The area to the left of - 2.24 under Student's t-curve with 8 degrees of freedom is 3. For the following list of data, calculate the SD = and the SD \" = 28.5 28.7 28.9 29.1 29.2 29.5

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