The first quartile
A)contains at least one third of the data elements
B)is the same as the 25th percentile
C)is the same as the 50th percentile
D)is the same as the 75th percentile

Question

Quizplus · Accepted Answer

The first quartile is the same as the 25th percentile, meaning it divides the data into four equal parts with 25% of the data below it and 75% above it. Choice A is incorrect as it is referring to the lower third, not the first quartile. Choice C is incorrect as the 50th percentile is the median, not the first quartile. Choice D is incorrect as it refers to the third quartile.

The First Quartile