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abruzzese [7]
3 years ago
9

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 .
Mathematics
1 answer:
vodka [1.7K]3 years ago
5 0
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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