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[Solution Library] A researcher investigated the number of viral infections people contract as a function of the amount of stress they experienced during a

Question: A researcher investigated the number of viral infections people contract as a function of the amount of stress they experienced during a 6-month period. She obtained the following data:

Negligible Stress Minimal Stress Moderate Stress Severe Stress
2
1
4
1 		4
3
2
3 		6
5
7
5 		5
7
8
4
  1. What are Null Hypothesis (H 0 ) and Alternative Hypothesis (H a )?
  2. Compute obtained value from F ratio (F obt ) and complete the ANOVA summary table
  3. With the theoretical probability of a type 1 error=.05, what is critical value of F (F crit )?
  4. Report your statistical results
  5. Perform the appropriate post hoc comparisons
  6. What do you conclude about this study?
  7. Describe the effect size and interpret it
  8. Estimate the value of the population mean that is likely to be found in the severe stress condition

Price: $2.99
Solution: The downloadable solution consists of 4 pages
Deliverable: Word Document


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