Question

One technique to get a simple random sample of 30 students from a population of 80 would be:

a) Writing the names of all 80 students on slips of paper, throw them in a bowl, and pick names from the hat
b) Using a random number generator to select 30 students
c) Asking for volunteers from the population
d) Surveying only the first 30 students who arrive at school

Answer 1

The technique to get a simple random sample of 30 students from a population of 80 is to use a random number generator to select 30 students.

Step-by-step explanation:

The technique to get a simple random sample of 30 students from a population of 80 would be option (b): Using a random number generator to select 30 students. Here's how you can do it:

1. Assign a unique number to each student in the population from 1 to 80.
2. Use a random number generator to generate 30 random numbers between 1 and 80.
3. Select the students corresponding to the generated random numbers as your sample.