i. If we want to determine which treatment means differ, one method is confidence intervals.
ii. If the confidence interval includes 0, there is no difference in the pair of treatment means.
Iii) If both end points of a confidence interval are of the same sign, it indicates that the treatment means are not different.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Question

i. If we want to determine which treatment means differ, one method is confidence intervals. 
ii. If the confidence interval includes 0, there is no difference in the pair of treatment means.
Iii) If both end points of a confidence interval are of the same sign, it indicates that the treatment means are not different.
A) (i), (ii) and (iii) are all correct statements
B) (i) and (ii) are correct statements, but not (iii).
C) (i) and (iii) are correct statements but not (ii).
D) (ii) and (iii) are correct statements but not (i).
E) All statements are false

Quizplus · Accepted Answer

Confidence intervals can be used to determine differences between treatment means (i). If a confidence interval includes 0, it suggests no significant difference (ii). However, if both endpoints are of the same sign, it indicates a significant difference, not no difference, making (iii) incorrect.

I If We Want to Determine Which Treatment Means Differ