In a sample, which statement is TRUE about the income of the group surveyed?
Responses
A The income of the group should be lower than that of the population.The income of the group should be lower than that of the population.
B The income of the group should be proportional to that of the population.The income of the group should be proportional to that of the population.
C The income of the group should not be proportional to that of the population.The income of the group should not be proportional to that of the population.
D The income of the group should be greater than that of the population.
1 answer
It is impossible to determine which statement is true without more information about the group surveyed and the population being compared to.