I a Z-Score Is the Distance Between a Selected Value

Multiple Choice

i. A z-score is the distance between a selected value (X) and the population mean (μ) divided by the
Population standard deviation (σ) .
ii. The standard normal distribution is a special normal distribution with a mean of 0 and a standard
Deviation of 1.
iii. A computed z for X values to the right of the mean is negative.

A) (i) , (ii) , and (iii) are all correct statements.
B) (i) is a correct statement but not (ii) or (iii) .
C) (i) and (iii) are correct statements but not (ii) .
D) (i) and (ii) are correct statements but not (iii) .
E) (i) , (ii) , and (iii) are all false statements.