Can a z-score be negative?
David ArmstrongYes, a z-score with a negative value indicates it is below the mean. Z-scores can be negative, but areas or probabilities cannot be.
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Hunter AldridgeYes, a z-score can be negative. A z-score represents the number of standard deviations a particular value is from the mean of a data set. A negative z-score indicates that the value is below the mean, while a positive z-score indicates that the value is above the mean.
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When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
When evaluating a one-sided limit, you need to be careful when a quantity is approaching zero since its sign is different depending on which way it is approaching zero from. Let us look at some examples.
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