Which mean to use and when? - Cross Validated So we have arithmetic mean (AM), geometric mean (GM) and harmonic mean (HM) Their mathematical formulation is also well known along with their associated stereotypical examples (e g , Harmonic mea
How to read scientific notation output (numbers that include e)? What does the notation like 8 6e-28 mean? What is the 'e' for? (2 answers) Closed 7 years ago After running the lm regression model using R, sometime one is bound to get very small P values or values in the covariance matrix Something of the sort: -1 861246e-04 for example in a covariance matrix
What is the difference between mean value and average? The mean you described (the arithmetic mean) is what people typically mean when they say mean and, yes, that is the same as average The only ambiguity that can occur is when someone is using a different type of mean, such as the geometric mean or the harmonic mean, but I think it is implicit from your question that you were talking about the arithmetic mean
Standard Error vs. Standard Deviation of Sample Mean Remember that the sample mean x¯ x is itself a random variable So the first formula tells you the standard deviation of the random variable x¯ x in terms of the standard deviation of the original distribution and the sample size