A researcher wants to find out the average age of population in two cities, A and
A) there is lesser variation in age for population in City A.
B) city B's population is significantly higher than that of City A.
C) the level of confidence desired for City B's results is higher.
D) the degree of precision desired for City A is higher.
E) the degree of precision desired for City B is higher.

Question

Quizplus · Accepted Answer

The researcher desires a higher degree of precision for City A, indicating that they want to reduce the margin of error and obtain more accurate results. This suggests that a larger sample size may be needed for City A to achieve the desired level of precision.

A Researcher Wants to Find Out the Average Age of Population