Formulating a Hypothesis (Essay Sample)
Write a 500- to 700-word memo presentation that could be used to persuade an audience to a particular course of action around your chosen issue, problem, or opportunity, based on results of your hypothesis test.
Select a data set that could benefit from hypothesis testing. Examples of these published data sets can be pulled from the text, online sources, or StatDisk.
Formulate a hypothesis statement and perform a hypothesis testing procedure on the data identified above; you may refer to Figure 8.1 or 8.2 in the text, omitting the graph in Step 6.
Describe the results of the tests.
Interpret the results of your hypothesis test, stateany limitations of the analysis, and describe the both the statistical and practical significance of the results. Attach the data set and the results of thehypothesis testoutput created.
Formulating a Hypothesis
Formulating a Hypothesis
Team C will formulate a Hypothesis testing using the selected data set of Major League Baseball (Lind, Marchal, & Wathen, 2008). The reason for choosing these data set is because of data availability such as player's salaries and wins. A hypothesis statement will first be formulated from which the five-step hypothesis test procedure will be performed utilizing the data set information at hand. The team will then have to formulate verbal statements and numerical charts regarding the issue at hand. The steps to be used by the team includes; formulation of a testable hypothesis, designing the experiment, data collection and making the decision (Doane & Seward, 2007). This paper will attempt to understand the relationship between the salaries earnings of the Major League baseball players and the number of wins for the team. The aim of the hypothesis testing is to determine whether the salary of players is a significant predictor of the rate of wins a team can have. This will be accomplished by means of regression analysis.
When attempting to formulate the hypothesis testing, regression analysis of the two variables will be utilized. In particular, the hypothesis testing procedure will involve testing the slope of the regression line. If the slope of the regression line is zero, then salary happens not to be a useful predictor of a team's number of wins in the league. On the other hand, if the slope is not zero, then salary is a useful predictor of the number of wins. This test will be conducted by means of an ANOVA table where salary is taken as a covariate (Trochim, 2006). This is ...
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