Negative z value means that the raw dat is below the mean, if z value is positive it means that the raw data is above the mean.
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A negative z score is a value that is less than the mean value.
The z value corresponding to a number below the mean is Negative.
no, z score can be negative but a probability is a always positive between 0 and 1.
The Z value is negative, but area is always positive.
It means that it is less than the mean.