Which of the following yields a simple random sample?
A)All students in a class are grouped according to their gender.A random sample of 8 is selected from the males and a separate rando sample of 7 is drawn from the females.
B)The best 15 students, according to the opinion of the instructor, in a class are selected.
C)The names of 50 students in a class are written on 50 different pieces of paper and put in a hat.The first 15 pieces of paper are selected blindly one at a time after shuffling
The papers thoroughly and each of the selected pieces is placed back into the hat
Before the next piece is selected.
D)All students in a class are divided into groups according to the rows that they are seated.One of the groups is randomly selected.

Question

Quizplus · Accepted Answer

This yields a simple random sample as each student has an equal chance of being selected, given that their name is in the hat. The other options utilize some form of stratification or subjective judgment, which may bias the sample selection. This method involves randomly selecting names from a hat, making it a simple random sample.

Which of the Following Yields a Simple Random Sample