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Earn +20 ptsQ: What does a z score of 4 mean?
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What does a Z-Score of 4 mean?
nobody knows
Calculate the z-score for a test score of 87 if the mean test score is 81.1 and standrd deviation is 11.06?
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.
What does a positive Z-score mean?
it means that the score is above the mean
What is the value of a 'z' score of 0?
A z-score of 0 means the value is the mean.
What does a z-score of -1.5 mean?
z-score of a value=(that value minus the mean)/(standard deviation). So a z-score of -1.5 means that a value is 1.5 standard deviations below the mean.
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