Answer to Question #313769 in Statistics and Probability for Niu_bi

Question

Determine if the following situations use as random or non-random sampling. Also, write 

              the type of random or non-random sampling technique used.

1. Selection of students name 10 written in rolled papers in a box containing

      100 names.__________________

2. The respondents are selected according to class size whereas 30 for freshmen, 20 for 

       Sophomores, 10 for juniors, and 5 for seniors. ____________________

3. The minority groups of senators are to be interviewed._______________________

4. Five hundred “likes” from netizens in facebook is used as a basis for making decisions._______________________

5. Two thousand respondents nationwide are chosen for national election purposes from 

      populations of regions down to barangays.____________________

Answer 1

1. Random; Simple random sampling

2. Non random; Quota sampling

3. Random; Cluster sampling

4. Non random; Voluntary response sampling

5. Random; Stratified Sampling