8. On an intelligence test with a mean of 100 and a standard deviation of
15, Jamie scored 85. What is Jamie's Z-score?
Answers
Answered by
0
Answer:
The answer is -1
Answered by
2
Given : intelligence test with a mean of 100 and a standard deviation of
15, Jamie scored 85.
To Find: Jamie's Z-score
Solution:
Mean = 100
SD = 15
Z score = (Value - Mean)/SD
Value = 85
=> Z score = ( 85 - 100) /15
= -15/15
= - 1
Jamie's Z-score = - 1
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