Obtaining the standard normal z score
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Ahmed Abdulla
il 16 Lug 2020
Risposto: Star Strider
il 16 Lug 2020
Is there an easy way to obtain the standard normal z score with an upper tail probability of 0.05/2 or any number at hand
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Star Strider
il 16 Lug 2020
Try this:
z = norminv(1-0.05/2)
producing:
z =
1.9600
Without the Statistics and Machine Learning Toolbox:
CV = @(alpha) -sqrt(2) * erfcinv(2*alpha); % Equivalent to ‘norminv’
z = CV(1-0.05/2)
producing the same result.
.
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