If a frequency distribution has open-ended intervals at the extremes, which measure of central tendency is the most difficult to estimate?
A) Median
B) Mode
C) Mean
D) Mean, Median and Mode

Question

Quizplus · Accepted Answer

When a frequency distribution has open-ended intervals at the extremes, the mean is the most difficult measure of central tendency to estimate because we do not know the exact values that fall beyond the open-ended intervals. The median and mode are not affected by open-ended intervals.

If a Frequency Distribution Has Open-Ended Intervals at the Extremes