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Fictitious Jones Conducts A Study To Test Whether Losing Weight Reduces Choleste
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September 26, 2021Ficks Law Describes Physical Parameters To Which Animals And Plants Must Adapt I
September 26, 20211. Dr. Fictitious Jones conducts a study to test whether losing weight reduces cholesterol levels. He tests 15 people in January. Six months later, after they have all participated in a weight loss program and lost at least 3% of their starting body weight, he measures them again.
- What is your null hypothesis?
- What is your research hypothesis?
- What test would you run to test your hypothesis?
- Run the test at the 5% level of significance. ATTACH YOUR RESULTS!
- State whether you accept or reject the null hypothesis
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2. You want to know if there is a statistically significant difference between father’s age and miscarriage. You collect data at the Totally Made Up Hospital and find the following:
Miscarriage N Mean Paternal Age Standard Deviation
NO 162. 33.4 2.8
YES 48. 41.1 3.1
- What is your null hypothesis?
- What is your research hypothesis?
- What test would you run to test your hypothesis?
- Compute the test at the 5% level of significance. ATTACH YOUR RESULTS!
- State whether you accept or reject the null hypothesis
Extra credit: What is the most likely confounding variable in this study and why?
