Activity #3: Identify which type of sampling is used.
a. A psychologist surveys all students from each of 30 randomly selected classes.
b. Cloves selects every 100th cellphone from the assembly line and conducts a thorough test of quality.
c. A floor director writes the name of each applicant on a separate card, shuffles the cards, and then draws 5 names.
d. a marketing manager tests a new sales strategy by randomly selecting 100 consumers with less than P150,000 gross income and 100 consumers with gross income of at least P150,000.
e. A reporter based his conclusion on 3,000 responses from 5,000 questionnaires distributed to men.
f. The PTA polls 100 freshmen and 100 seniors about their views concerning the use of manipulatives in teaching a particular topic.
g. A medical researcher interviews all diabetic patients in each of 10 randomly selected hospitals.
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Verified answer
a. Cluster sampling
b. Systematic sampling
c. Simple random sampling
d. Stratified random sampling
e. Convenience sampling
f. Stratified random sampling
g. Cluster sampling