Jul 28, 2017

# Respiratory Therapy

This paper concentrates on the primary theme of Respiratory Therapy in which you have to explain and evaluate its intricate aspects in detail. In addition to this, this paper has been reviewed and purchased by most of the students hence; it has been rated 4.8 points on the scale of 5 points. Besides, the price of this paper starts from £ 40. For more details and full access to the paper, please refer to the site.

# Respiratory Therapy

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Respiratory Therapy Name Institution Introduction Various studies always depend on the relationships between two independent variables to make informed decisions on problem statements. Such relationships could be linear or nonlinear relationships, and univariate or multivariate relationships. In a linear relationship, two independent variables tend to have a relationship that can be plotted on a straight line. Thus, establishing whether independent variables are related is important to scholars and professionals in different fields. Consider the following example; in determining the effect of advertising on the number of sales, an analyst from company A plotted a graph of sales against the number of adverts. The output of the graph was a straight line indicating that an increase in the number of adverts leads to an increase in the number of sales. This reveals that identifying the relationship between two variables is an important statistical technique. One way of identifying a linear relationship involving two variables is through using the correlation coefficient(Clayton, Miller, and Peng, 2008). This paper examines the use of the correlation coefficient as an important technique for establishing linear relationships by citing evidence from previous publications. At this point, it is clear that the correlation coefficient is an important mathematical technique used to establish relationships between variables. To begin with, the term correlation could be elucidated as the process of determining whether two variables have a significant relationship. It is notable that multiple tools could be used to identify the correlation between two variables. For instance, plotting graphs helps in identifying the trend between two variables, hence the correlation. What is the correlation coefficient? Rubin (2013) defines the correlation coefficient as the magnitude of a straight line, or the linear association between two independent variables. In short using the correlation coefficient, which is denoted by r could help a researcher define the magnitude of association between two variables. How Correlation Coefficient Applies to a Real World Scenario The correlation analysis is a prominent statistical method used in summarizing scientific and medical research data. It does not only apply to making academic decisions, but also aids in making business decisions. This is proven by the fact that the example illustrated above can help in making business decisions. That is, a company intending to increase the number of sales can increase the number of adverts because it has been shown that the two variables have a positive linear relationship. Rubin (2013) notes that identifying the relationship involving two variables, and the magnitude of their relationship is important. The author further asserts that the correlation coefficient is also known as the Pearson`s product coeffi...

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