作业帮standard deviation above the average score”
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standard deviation above the average score”
explain what“1 standard deviation above the average score"means。
能用英语回答就更好了，
explain what“1 standard deviation above the average score"means。
能用英语回答就更好了，
"1 standard deviation above the average score" means that the observation value minus the population mean just equals to 1 standard deviation.The average score is the population mean.
Assume a observation selected from a population follows normal distribution (u,s^2) is x,we can calculate its Z-score = (x-u)/s = n,and we say that the observation value is n standard deviation above (positive n) or below (negative n) the average score.
Assume a observation selected from a population follows normal distribution (u,s^2) is x,we can calculate its Z-score = (x-u)/s = n,and we say that the observation value is n standard deviation above (positive n) or below (negative n) the average score.
standard deviation above the average score”
英语翻译The z-score of a value tells how many standard deviation
Calulated using the standard deviation
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翻译：calcuated using the standard deviation
Calculated using the standard deviation 24.
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