
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 …
mean - How do I calculate confidence intervals for a non-normal ...
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 …
How to calculate `mean` and `sd` of lognormal distribution based …
May 29, 2020 · Lognormal distribution as below: estimate meanlog 6.0515 sdlog 0.3703 How to calculate the mean and sd of this distribution?
mean - "Weighted average" for medians - Cross Validated
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 …
mean - Is Median Absolute Percentage Error useless? - Cross …
Nov 20, 2022 · I'm working on a project focused on pricing houses. Looking online I see a lot of works and companies providing the performances of their model using the median instead of …
"Difference of the means" vs "mean of differences"
Nov 5, 2024 · One takes the pairwise difference of each point of data [ the mean of the differences ] and the other takes mean A and subtracts it from mean B [ the difference of the …
mean - "Averaging" variances - Cross Validated
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 …
Does it ever make sense to average the median, mean, and mode?
Dec 16, 2020 · A has the lowest mean and the lowest mode, but the highest average right half of the scores B has the second-highest mean and the most normal distribution C has the most …
Explaining Mean, Median, Mode in Layman's Terms
Mar 7, 2016 · How would you explain the concept of mean, median, and mode of a list of numbers and why they are important to somebody with only basic arithmetic skills? Let's not mention …
Simple unbiased mean estimator for censored data
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 …