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:

(a) What are H0 and Ha?
(b) Compute Fobt and complete the ANOVA summary table.
(c) With a = .05, what is Fcrit?
(d) Report your statistical results.
(e) Perform the appropriate post hoc comparisons.
(f) What do you conclude about this study?
(g) Describe the effect size and interpret it.
(h) Estimate the value of ^ that is likely to be found in the severe stress condition.

Transcribed Image Text:

Amount of Stress NegligibleMinimal ModerateSevere Stress Stress Stress Stress 4 6 4