A density curve is a:
A) mathematical device that adjusts (equalizes) probability across the range of data.
B) smooth curve that visually displays the distribution of probability for a continuous random variable.
C) visual display that shows the gradual transition of probability that is adjusted to equalize a data set.
D) tool of descriptive statistics that displays only the region of a data set that has a high concentration of readings.

Question

Quizplus · Accepted Answer

A density curve is a smooth curve that visually displays the distribution of probability for a continuous random variable. It does not adjust or equalize probability across the range of data, nor does it only display the region of a data set with high concentration of readings. It is not a tool of descriptive statistics, but rather a tool of probability theory.

A Density Curve Is A