3. Find the standard deviation for the following sample data: Freq. 6. 8 8 1 9. 6. 10 4 2. 3. 5

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A: use the for of Sample SD  =∑(Xi-X¯)2i=155-1

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A: Formula : sample variance :

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A: x32115237224639525228

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A: Below is the answer

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A: 9

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