Which of the following is not needed to transform a score to a z score? a. mean b. variance c. raw score d. standard deviation

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Which of the following is not needed to transform a score to a z score?

a. mean


b. variance


c. raw score


d. standard deviation




Answered Same DayDec 25, 2021

Answer To: Which of the following is not needed to transform a score to a z score? a. mean b. variance c. raw...

Robert answered on Dec 25 2021
115 Votes
Standardized value of z-score is given by:
z = x− µ
σ
Here x = raw score, µ = mean, and σ = stand
ard deviation. What’s not needed
(out of given options) is: variance
b. variance
Note: standard deviation = square root of variance, so we can use variance if
standard deviation is not...
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