What is the standard deviation of set X, which contains consecutive odd integers?

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by AAPL » Mon Aug 10, 2020 6:45 am

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What is the standard deviation of set X, which contains consecutive odd integers?

1) X consists of 10 terms
2) The range of X is 18

OA D

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Source: Beat The GMAT — Data Sufficiency | Mon Aug 10, 2020 6:45 am

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