Useful tips for everyday
Which is more accurate interpolation or extrapolation? Of the two methods, interpolation is preferred. This is because we have a greater likelihood of obtaining a…
What is the expected value of a continuous uniform distribution? From the definition of the continuous uniform distribution, X has probability density function: fX(x)={1b−a:a≤x≤b0:otherwise. From…
What do you mean by curve fitting using R? On curve fitting using R. For linear relationships we can perform a simple linear regression. For…
What are the consequences of omitted variable bias? An omitted variable leads to biased and inconsistent coefficient estimate. And as we all know, biased and…
How do you center the mean of a variable? It’s almost too simple. Centering simply means subtracting a constant from every value of a variable.…
What is the law of propagation of uncertainty? In statistics, propagation of uncertainty (or propagation of error) is the effect of variables’ uncertainties (or errors,…
What measures the relationship between temperature and rainfall? Because the sample data is non-Gaussian distributed and skewed, the Kendall correlation coefficient is employed to calculate…
How do you find the class interval in a frequency distribution? The steps in grouping may be summarized as follows: Decide on the number of…
How do I create a Markov decision process? A Markov Decision Process (MDP) model contains: A set of possible world states S. A set of…
Should I use population standard deviation or sample standard deviation? When to use the sample or population standard deviation Therefore, if all you have is…