Multiple Choice
You have a population of 100,with 20% of them male and 80% female.The mean income for men is US$100,000 and for women is US$68,000.To estimate the mean income for the entire population,what is the weight you should use for the male population?
A) 10
B) 20
C) 40
D) 80
Correct Answer:
Verified
Correct Answer:
Verified
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