A researcher collects scores measuring weight among school-age children who are in an obesity prevention program and notes that several students are morbidly obese with the majority of students falling within or below the 85th percentile for weight.The scores from the morbidly obese children will affect which measure of central tendency the most?
A) Mean
B) Median
C) Mode
D) All of the above are affected equally.

Question

Quizplus · Accepted Answer

The mean is most affected by extreme values or outliers, such as the scores from morbidly obese children, because it is calculated by summing all values and dividing by the number of values.

A Researcher Collects Scores Measuring Weight Among School-Age Children Who