Q2. Which hormone group has the highest variation? Q4. What\'s the within group

Question

Q2. Which hormone group has the highest variation?

Q4. What's the within group variation?

Q5. What's the p-value for testing equality in mean changes between these 5 hormone groups?

Q6. Based on Bonferroni adjustment, which pairs are significantly different from each other at a significance level of 5%?

Note: The p-values for the pair-wise comparisons are already based on Bonferroni adjustment so can compare them directly with 5%!

Q7. Based on the Stata output in 26, which of the following assumptions is clearly violated?
Hint: Stata output indicates one of the assumptions is violated!

D) normality

PLEASE ANSWER PARTS 6 AND 7, WHICH IS THE LAST 2 QUESTIONS.

A) 1 Hormone 5 Total Summary of change pan Mean Std. Dev 3.9126145 -1.02 -2.2142857 4.3547907 -.22242424 1.4829663 4.8872202 96842104 .17153846 2.1831005 40025125 2.8099454

Explanation / Answer

Answers:

6) (B)

Explanation :

Here the p values of the pair (2,3) is 0.001 and the p value of the pair (2,5) is 0.000. In both the pair's the p value <0.05

Hence the mean difference in the above two pair's are significant

7) (D)

Explanation :

In the above output normality assumption is not checked2

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