The concept of a probability density function is used with a
A)qualitative variable.
B)nominal variable.
C)continuous variable.
D)none of the above

Question

Quizplus · Accepted Answer

Probability density functions are used for continuous variables, which have an infinite number of possible values and cannot be measured exactly. The function gives the probability of a variable falling within a range of values, rather than taking specific values. Qualitative and nominal variables are not suitable for probability density functions because they do not have numerical values that can be measured or assigned probabilities.

The Concept of a Probability Density Function Is Used with a