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What does it mean if the Z score of a test is equal to 0?
If the Z Score of a test is equal to zero then the raw score of the test is equal to the mean. Z Score = (Raw Score - Mean Score) / Standard Deviation
The wisc IQ test is an example of a percentile rank a raw score a criterion-reference test or a standard score?
standard score
What percentile does a raw score of 89 represent?
It depends on the specific test.
What percentile does a raw score in the 70s or 80s on a practice test of the Miller Analogies Test represent?
Raw scores in the 70s or 80s correspond to the 90th or 95th percentile.
Is a negative z score always an indicator that the raw score is below the mean?
Yes.z = (raw score - mean)/standard error.Since the standard error is positive, z < 0 => (raw score - mean) < 0 => raw score < mean.
What is a raw score?
A GRE raw Score is the number of questions you answered correctly.
Does percentiles of a raw score differ from the meanof the raw score distribution?
Yes.
How do you find your ASVAB score once you have taken the test?
The formula to derive the AFQT "raw Score" is 2VE + AR (Arithmetic Reasoning) + MK (Mathematics Knowledge). This formula results in the AFQT "raw score," which is then converted into a percentile score. [cited from ABCs of the ASVAB. pg 3. by Rod Powers About.com]
What is a GRE raw score?
A GRE raw Score is the number of questions you answered correctly.
What is the raw score of 200 mean and sd of 10?
The raw score is any value that is observed.
What leads to a diagnosis of learning disorders?
The diagnosis of LD can be made if there is significant discrepancy between intelligence test scores (raw ability to learn) and achievement test score (actual learning achievement).
Does a positive raw score always result in a positive z score?
No.
