The standard deviation is always positive or equal to 0.
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Q68: Multiplying or dividing each score using the
Q69: The standard deviation is typically reported in
Q70: One reason the denominator for sample variance
Q71: The calculation of sample variance will be
Q72: The empirical rule states that all scores
Q74: The sample variance is an unbiased estimator
Q75: The population standard deviation is equal to
Q76: For nonnormal distributions,at least 99.7% of data
Q77: If SS = 50 for a data
Q78: The computational formula for the variance requires
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