Question

Identify the type of sampling used in the following statements. Choose simple random, stratified, systematic, cluster, convenience, or purposive. 1. An engineer selects every 50th cellphone from the assembly line for careful testing and analysis. 2. A teacher writes the name of each student on a separate card, shuffles the cards, and then draws five names. 3. An IT professor selects 18 men and 18 women from each of four classes. 4. In a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in previous years. 5. A teacher divides the student population with respect to majors and randomly selects and questions some students in each major. 6. In conducting research for a psychology course, a student of Cavite State University interviews students who are leaving the campus canteen. 7. To research consumer recognition of a certain noodles brand, the researcher conducts a survey of 2000 consumers in the Philippines by interviewing typical class C and D consumers coming out of the supermarket. 8. Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year. 9. A college instructor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers. 10. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital.

Identify the type of sampling used in the following statements. Choose simple random, stratified, systematic, cluster, convenience, or purposive.
1. An engineer selects every 50th cellphone from the assembly line for careful testing and analysis.
2. A teacher writes the name of each student on a separate card, shuffles the cards, and then draws five names.
3. An IT professor selects 18 men and 18 women from each of four classes.
4. In a large school district, all teachers from two buildings are interviewed to determine whether they believe the students have less homework to do now than in previous years.
5. A teacher divides the student population with respect to majors and randomly selects and questions some students in each major.
6. In conducting research for a psychology course, a student of Cavite State University interviews students who are leaving the campus canteen.
7. To research consumer recognition of a certain noodles brand, the researcher conducts a survey of 2000 consumers in the Philippines by interviewing typical class C and D consumers coming out of the supermarket.
8. Mail carriers of a large city are divided into four groups according to gender (male or female) and according to whether they walk or ride on their routes. Then 10 are selected from each group and interviewed to determine whether they have been bitten by a dog in the last year.
9. A college instructor uses a computer to generate 50 random numbers and then picks students whose names correspond to the numbers.
10. A medical researcher interviews every third cancer patient from a list of cancer patients at a local hospital.

Added by Patricia S.

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