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Null and Alternative Hypothesis and Statistics
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Discussion Assignment #8
1. Define the Null Hypothesis and give an example
2. Define the Alternative Hypothesis and give an example.
3. Explain what the following question means: “Does the evidence that we collected make our null hypothesis look ridiculous?”
4. Explain what the following statement means: “Statistics is the science of changing your mind under uncertainty.” Also, can statistics ever remove uncertainty?
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Discuss 8
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Discuss 8
Question 1
The null hypothesis, typically symbolized as Ho, is a statistical theory that states no relationship exists between the dependent and independent variables. It suggests that no statistical significance exists in each set of a single variable between two groups of observed data. The hypothesis is essential in testing the differences in phenomena between observations. It is assumed to be valid until evidence indicates otherwise. For example, in a study examining the relationship between regular intake of opioids and anxiety, the following would be the null hypothesis.
Ho: There is no significant relationship between regular intake of opioids and anxiety.
Question 2
The alternative hypothesis, denoted as Ha or H1, states a relationship exists between the dependent and independent variables. After successful data collection and analysis, the alternative hypothesis will be proven or disapproved later. In the alternative view, the research findings shall be validated, thus showing the significance of the relationship. For ...
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