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The most commonly used greek letters in statistics?
I'll give you some common Greek symbols used in statistical analyses. I can't tell you which is the most common one given the enormous task of reviewing every statistics book. The Greek mu for mean, sigma for variance and rho for correlation are probably the first ones that one encounters in statistical analyses. Also, beta for beta distribution, gamma for gamma distribution, chi for chi-squared distribution. Alpha and beta are common as distribution parameters. In derivations, delta is common for differences of variables. Tau is common for a time variable. You will find more information in the related link.
What is the measure of output for any given project task or activity?
Productivity
How many ways can an adviser chosen 4 students from a class of 12 if they are given a different task?
There are 11880 ways.
What is burst time?
In an operating system, burst time refers to the time that it takes to complete execution of a particular task or process. It is used in CPU scheduling.
What is a negative association?
Association rule mining is a data mining task that discovers relationships among items in a transactional database. and Association rule analysis is the task of discovering association rules that occur frequently in a given data set. the question like: what items a customer id "not likey" to buy giiven that he buys a certain set of items. We call these types of rules as the negative association rules.
