voidnyaah
25.06.2019 •
Mathematics
The results of a common standardized test used in psychology research is designed so that the population mean is 135 and the standard deviation is 30. a subject earns a score of 198. what is the z-score for this raw score?
z-score=
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Ответ:
2.1
Step-by-step explanation:
Mean+z score(Standard deviation)=raw score
Let the z score be z
135+z(30)=198
30z=63
z=2.1
Ответ:
Thank you
Step-by-step explanation:
Have a amazing and a blessed day :)