Jul 16, 2017

# Discuss hypothesis testing? How is it carried out?

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# Introduction to Health Statistics

INSTRUCTIONS:

A researcher conducts a test on the effectiveness of a cholesterol treatment on 114 total subjects.

Cholesterol Decreased

No Cholesterol Decrease

Total

Treatment

38

18

56

No treatment

30

28

58

Total

68

46

114

Case Assignment

Discuss what a hypothesis is. What is null and alternative?

Discuss hypothesis testing? How is it carried out?

For the data set above, formulate a null and an alternative hypothesis. Without performing the actual calculations or determining statistical significance, explain your procedure for testing to see whether the treatment is effective.

Assignment Expectations

Use the information in the modular background readings as well as resources you find through ProQuest or other online sources. Please be sure to cite all sources and provide a reference list at the end of the paper. Submit the paper as a Word document through the link provided for the assignment.

CONTENT:

Name BHS220 Introduction to Health Statistics Drawing inferences about population means and proportions Instructor Date BHS220 Introduction to Health Statistics A] Discuss what a hypothesis is. What is null and alternative? A hypothesis is a proposition on the association between variables, with hypothesis testing then useful to establish the extent of this relationship. The correlation can be a positive relationship when variables move in the same direction or negative correlation when they the variables are indirectly related. The hypothesis allows one to test the viability of the prediction, and make decisions on the relationships between the variables (Bowers, 2009). The prediction goes beyond testing the expected outcome, and may offer a possible explanation on the expected results of tests. B

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