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Less than 4 is a normal perfusion study; 4-8 is mildly abnormal 9-13 is Moderately abnormal 13 is Markedly Abnormal
added together
synapse I think if you mean the tiny opening of the neurons
The sum of the lengths divided by the number of length summed.
amount of money summed up to a grand total basically.
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
Yes.z = (raw score - mean)/standard error.Since the standard error is positive, z < 0 => (raw score - mean) < 0 => raw score < mean.
my meld score is 16. what does that mean?
it means that the score is above the mean
Yes. If a score is below the mean, the z score will be negative.
z-score of a value=(that value minus the mean)/(standard deviation). So if a value has a negative z-score, then it is below the mean.
z score = (test score - mean score)/SD z score = (87-81.1)/11.06z score = 5.9/11.06z score = .533You can use a z-score chart to calculate the probability from there.