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 …

Feb 10, 2022 · Mean with 95% CI will give you almost the same, but the data must have a normal distribution and you don't get information about quartiles and outliers? Any advantages of …

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 …

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 …

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

Jul 28, 2020 · Mean rank will be the arithmetic average of the positions in the list: $$\frac {1.5+1.5+3+4+5} {5}=3$$ When there is an odd number of rows, the median will be the middle …

Jan 7, 2025 · The mean is the number that minimizes the sum of squared deviations. Absolute mean deviation achieves point (1), and absolute median deviation achieves both points (1) …

Jan 15, 2015 · If $\theta=4$ how to you find the mean and variance? My guess was to plug in $4$ of course and then integrate that function from $0$ to infinity. As for the variance I honestly …

May 6, 2017 · Context is everything here. Are these theoretical variances (moments of distributions), or sample variances? If they are sample variances, what is the relation between …

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 …