Tom scored 200 on a test with a mean of 150 and a standard deviation of 25. What is Toms z score and percentile?
2 answers:
Answer:
125
Explanation:
375 ( add all of them up) then divide by how many their are (3) which = 125 (1.25 decimal) ( 125%)
Answer:
Z score is 2.0
In normal distribution Percentile is
97. 72% Left tailed
2.28% Right tailed
Explanation:
Z score is = (score - mean) / SD
Z = (200-150)/25=50/25=2
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