Essentials of Statistics for the B...
Solutions
Essentials of Statistics for the B...
What information is provided by the sign (+/–) of a z-score? What information is provided by the numerical value of the z-score?
To Find: The information is provided by the sign
The sign of z-score indicates whether the location is above the mean or below the mean. The numerical value of z-score specifies the number of standard deviations between X and
According to the concept of z-score, the z-score identifies an exact location in a distribution with a single number. The sign of z-score describes the location is above the mean “plus sign” and location below the mean “minus sign” and the numerical value of z-score specifies the distance from the mean in terms of number of standard deviations.
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