Which of the following represents how many standard deviations above or below the mean a particular score is? Group of answer choices: a) a z-score b) a percentile rank c) a standard deviation d) a z-score
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Step 1: A Z-score represents how many standard deviations above or below the mean a particular score is in a normal distribution. Show more…
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Which of the following statement is TRUE about a z-score? Choose the correct answer below. A. Z-scores have a mean of 0 and a standard deviation of 1. B. Z-scores standardize a dataset. C. A z-score is a measure of how extreme or typical a data value is. D. A z-score tells us how many standard deviations a value is from the mean. E. All of the above
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in a normal distribution with the mean of 15 and standard deviation of 3 what does a z score of -2 indicate? a. it indicates that the score is below the mean b. it indicates that the score is equal to 9 c. it indicates that the difference between the score and the mean is 6 d. all of the above
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