A.1.5 B.2 C.-2 D.-1.5 查看答案
Deviation is primarily associated with statistics and describes how far a set of numbers is from the norm or average. For example, in measuring the performance of a group of students, deviation helps understand how individual scores spread around the average score. Whereas, difference is a broader...
explain what“1 standard deviation above the average score"means。能用英语回答就更好了, 相关知识点: 试题来源: 解析 "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 ...
prime number & composite number 质数与合数* A prime number is a positi 4、ve integer that has exactly two different positive divisors,1 and itself.* A composite number is a positive integer greater than 1 that has more than two divisors.* The numbers 1 is neither prime nor composite, 2 ...
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If the mean is 40 and the standard deviation is 7, what is the z-score of the number 50? 相关知识点: 试题来源: 解析 The -score must be between 1 and 2\ (since)\ 40+7=47 would have a z-score of 1 while 40+2⋅ 7=54 would have a -score of 2. Use the formula: = (...
Is 520 a good MCAT score? Is 515 a good MCAT score? How do you get a good MCAT score? What MCAT score do you need for top medical schools? How long are MCAT scores valid? MCAT Score Statistics MCAT Practice Quiz How is the MCAT scored?
With a maximum score of 528, what is a good MCAT score? While “good” is subjective, it really does depend on your goals and what kind of medical school you are trying to attend. Typically, a good score is about one standard deviation or so above the average. ...
A confidence interval is a mathematical concept that expresses how likely a range will contain the mean of a data set.
Standard deviation and the Z-score are two such fundamentals. Z-scores can help traders gauge the volatility of securities. The score shows how far away from the mean—either above or below—a value is situated. Standard deviation is a statistical measure that shows how elements are dispersed ...