A researcher studying interpersonal communication measured the time that couples made eye contact during a conversation.Which descriptive statistics will most commonly be used describe the researcher's duration measurements?
A)mode and range
B)median and quartile dispersion
C)mean and standard deviation
D)proportion and percentage

Question

Quizplus · Accepted Answer

The duration measurements are continuous, so a measure of central tendency like the mean is appropriate. The standard deviation is useful for describing the spread of the data. Mode and range are less useful for continuous data, and quartile dispersion is not needed for this specific question. Proportion and percentage are not relevant since it is measuring an amount of time, not a proportion of anything.

A Researcher Studying Interpersonal Communication Measured the Time That Couples