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7 January, 13:50

99% confidence interval for the population standard deviation

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  1. 7 January, 14:02
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    99% = 2.58

    how to find?

    Divide your confidence level by 2:. 95/2 = 0.475. Step 2: Look up the value you calculated in Step 1 in the z-table and find the corresponding z-value. The z-value that has an area of.
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