Hypothesis Testing Assignment Example | Topics and Well Written Essays - 250 words - 2

Hypothesis Testing - Assignment Example The null hypothesis is simple a statement that indicates that nothing is happening to the population. It shows that there is no relationship or difference in the population and the underlying facts still hold true. The alternative hypothesis on the other hand is a statement that indicates that something is happening to the population. It clearly shows that there is a difference or relationship in the population under study. Parametric tests estimate population parameters such as the mean while the nonparametric tests on the other hand help in the ranking and ordering of observations and data (Christensen and Johnson, 2011). It is very important that a choice be made between the use parametric and nonparametric tests. If there is sufficient evidence to ascertain that there is normal distribution in the population then it is appropriate to us parametric tests. When the population does not have a normal distribution then it will be appropriate to use nonparametric tests. A good example of a parametric test is the ANOVA while that of the nonparametric test is the Kruskal Wallis (Vogt,