Course work Coursework Example | Topics and Well Written Essays - 750 words - 5

Course work - Coursework Example The value could be either too small or too large. In a data set of exam results where all students score between 65 percent and 80 percent except one student with 23 percent, the 23 percent is an outlier because it is too small, compared to the other values (Mann 2010, p. 82). Correlation is a statistical measure for association between variables and shows strength and direction of the association. Regression, like correlation, is a statistical measure for association between variables, but also offers a model for the relationship. Correlation coefficient is however a measure of strength of association between variables (Miller & Yang 2007, p. 428). One of the features of r is its magnitude that lies between -1 and 1. The measure is also â€Å"independent of change of scale and origin† for both x and y variables of points (Sharma 2009, p. 281). The statistic is also a â€Å"geometric mean of two regression coefficients,† and the extent of association between two variables â€Å"is symmetric† (Sharma 2009, p. 282). Forming the committee requires selection of ten members, by profession, and these can form the committee in any order. Combination will help in determining possible arrangements from each profession, followed by multiplication of the arrangements. The 10 members are arranged without regard to order and without