1. A researcher asks his neighbors their opinions about the effectiveness of the COVID-19 vaccine. What kind of sample is this?
a. Cluster sampling
b. Convenience sampling
c. Random sampling
d. Stratified sampling
2. What is the sample size if the population is 1800 and the margin of error is 2%?
a. 1047 b. 1046 c. 219 d. 220
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Answer:
1.D
2.A
Step-by-step explanation:
Yan po ang correct answer
2. c
paheart thank you! hope this helps!