To detect the directional trends of a disease outbreak in different seasons, which of the following measures should be used?
A) median centre
B) standard distance
C) standard deviational ellipse
D) linear directional mean

Question

Quizplus · Accepted Answer

The standard deviational ellipse is a measure that can detect the directional trends of a disease outbreak in different seasons. It shows the spread of the outbreak in terms of its orientation, and its shape and size represent the magnitude and variability of the outbreak. The other measures (median centre, standard distance, and linear directional mean) are not suitable for detecting directional trends.

To Detect the Directional Trends of a Disease Outbreak in Different