Question: Refer to Exercise 6.23. In exercise a. What is the level of significance of the paired t test? b. What is the level of significance

Refer to Exercise 6.23.
In exercise

a. What is the level of significance of the paired t test?
b. What is the level of significance of the sign test?
c. Place a 95% confidence interval on the mean difference between the responses from the two treatments.
d. Which of the two procedures, the paired t test or the sign test, appears to be more valid in this study?

Twins TreatmentA 48.3 44.6 49.7 405543 55.6 45.8 354 Treatment B 43.5 43.8 53.7 43.9 544 54.7 452 344

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a The level of significance is approx 1000 for the paired ttest b T... View full answer

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