A sampling frame should have the following characteristics: i. It is not necessary to include all members of the population on the listii. The information should be correct and up to date.iii. Each...

A sampling frame should have the following characteristics: i. It is not necessary to include all members of the population on the list ii. The information should be correct and up to date. iii. Each member of the population appears on the list only once. Which of the above statement/s is /are incorrect?