What is the z-score of x = 9 if it is 1.5 standard deviations to the left of the mean? a. z= + 1.50 b. z = - 1.50 C. Z = 0 d. z = None of the above

MATLAB: An Introduction with Applications
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8. What is the z-score of x = 9 if it is 1.5 standard deviations to the left of the mean?
a. z = + 1.50
b. z = - 1.50
C. z = 0
d.
z = None of the above
Transcribed Image Text:8. What is the z-score of x = 9 if it is 1.5 standard deviations to the left of the mean? a. z = + 1.50 b. z = - 1.50 C. z = 0 d. z = None of the above
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