A researcher is told that the average age of respondents in a survey is 49 years. She is interested in finding out if most respondents are close to 49 years or not. The measure most appropriate to answer this question is:
A)mean.
B)median.
C)mode.
D)range.
E)standard deviation.

Question

Quizplus · Accepted Answer

Standard deviation measures the dispersion or spread of data points around the mean, indicating how close most respondents are to the average age of 49 years.

A Researcher Is Told That the Average Age of Respondents