The advantage of expressing a confidence interval in terms of the number of standard deviations of the variable is that
A) it is more precise
B) normal curve theory will then apply
C) it compensates for the fact that the importance of a given interscore distance depends on the size of the standard deviation of the variable
D) all of the above will occur

Question

Quizplus · Accepted Answer

Expressing a confidence interval in terms of standard deviations accounts for the variability of the data, making it easier to interpret the importance of the interval relative to the data's spread.

The Advantage of Expressing a Confidence Interval in Terms of the Number