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    Question

    Which of the following statements about standard

    deviation is true? 
    A Standard deviation is always a positive value Correct Answer Incorrect Answer
    B Standard deviation is a measure of central tendency Correct Answer Incorrect Answer
    C A large standard deviation indicates that the data points are closely clustered around the mean Correct Answer Incorrect Answer
    D Standard deviation is not affected by outliers in the dataset Correct Answer Incorrect Answer

    Solution

    Standard deviation is always a positive value because it is calculated by taking the square root of the variance, which is also a positive value.

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