i. A parameter is a measurable characteristic of a sample. ii. The weighted mean is the nth root of n observations.
iii. A statistic is a measurable characteristic of the population.
A) (i), (ii) and (iii) are all correct statements
B) (i) and, (ii) are correct statements but not (iii).
C) (i) and, (iii) are correct statements but not (ii).
D) (ii) and, (iii) are correct statements but not (i).
E) (i), (ii) and (iii) are all false statements.

Question

Quizplus · Accepted Answer

- A parameter is a characteristic of a population, not a sample. The weighted mean is an average that takes into account the varying degrees of importance of the numbers in a data set, not the nth root of n observations. A statistic is a characteristic of a sample, not the population.

I a Parameter Is a Measurable Characteristic of a Sample