GishRil2924 GishRil2924

25-02-2018
Mathematics

contestada

If a student scored 82 points on a test where the mean score was 78.2 and the standard deviation was 6.7. the student's z score is .

Respuesta :

06-03-2018

Z-score formula is z=(x-m) / sd
x = data value
m= mean
sd = standard deviation

z= (82-78.2) / 6.7
=0.567
=0.57

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