U07d1 Statistics and Information Essay Example | Topics and Well Written Essays - 500 words

U07d1 Statistics and Information - Essay Example Regression differs from correlation - which establishes whether there is any association between two variables (Chatterjee and Hadi, p. 24). In the case of health care industry, this analysis has a major role and is used in several different aspects like the study of diabetic indicators. This method has been used in order to examine the relationships between different medical issues like blood pressure and diabetes and other possible issues. Correlation analysis: Correlation refers to the degree of association between two variables. When two variables are said to be correlated, it indicates that there is a relationship or a pattern in the movement of the two variables. However, correlation does not indicate causation, i.e., the cause of movement of the variable. In other words, when two variables of correlated, it does not necessarily mean that the change in one variable is responsible or is the cause of change in the other variable (Downing and Clark, 178). In the case of health care industry, correlation analysis can be used to learn the differences between the percentage change of the visceral AT and also the changes in terms of the changes in the AT (Cowel, 2007). T-tests: This is a test that helps in addressing the issues of credibility. Here the process is very simple where the mean values for the groups are divided by the dispersion of the differences and the results are the T – Test ratio. Considering the health care industry, it is important to note that this method has a major role in the health care and is one of the best ways to bring out the incorrect and wrong claims (Downing & Clark, 2010). For instance the claims that a certain food or medicine brings down the blood sugar of a person. This can be tested by the t tests and helps attain a truthful response of the effectiveness of the food or drug. (Horton, 2009) Analysis of variance: This is one of the statistical methods to