Question 11
Answer the given subquestions:
A manufacturer of readymade garments for men wants to do a sample survey about the brand standing of its brand. It plans to do a house-to-house multistage cluster sampling survey. The company classifies its customers based on collar size (L / M / S) and age (Young / Middle-aged / Elder) and customizes its designs accordingly. The company wants to do the study in only one city. The company wants to have a robust sample size with no compromises. What should be the sample size?
100
360
270
540