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 …

May 29, 2020 · Lognormal distribution as below: estimate meanlog 6.0515 sdlog 0.3703 How to calculate the mean and sd of this distribution?

6 You can just use a standard confidence interval for the mean: Bear in mind that when we calculate confidence intervals for the mean, we can appeal to the central limit theorem and use …

Jan 2, 2018 · If you are assuming a normal distribution then the formula for the endpoints of the confidence interval is strictly a function of the sample standard deviation. The other variables …

Jan 14, 2021 · I have data that includes ~20 groups with descriptive stats of median, count, and mean for each of the groups. I know that the means are heavily skewed, and I don't have …

May 6, 2017 · I need to obtain some sort of "average" among a list of variances, but have trouble coming up with a reasonable solution. There is an interesting discussion about the differences …

Apr 29, 2020 · For example, I am predicting a score that can have value from 0 to 100. Lets assume MAPE = 10 for one case. In other case MAE = 10. How can I interpret it in layman …

Oct 12, 2023 · This allows us to compare populations (e.g., how does the mean number of children in UK families compare to the mean number of children in German families), and to …

Jul 21, 2023 · To circle back to your question, if you still want to estimate the mean and if you are willing to make the strong assumption that your data is normal, the median will be equal to the …

I mean I would guess they look at the paper and have seen a log-normal distribution. Spots ... makes me think its referring to probes from a microarray .. in which case they do tend to do log …