swer both parts ,just explain answer in very few lines George is interested in the question "what proportion of people in Chicago city are smokers".he surveys with a question"are u a smoker".he invites only his school friends staying in Chicago to answer his question.after 1 day, he gets 50 responses from which 10 people are smokers.identify the sampling method out of the 4 methods Voluntary ,stratified ,convienance,simple random Q2 a doctor is interested in knowing which type of corona vaccine is best effective.he buys 5 vaccines of each type and for 10 days between 8 am to 11 am ,he checks out the pulse rate of each person who uses one of these 10 vaccines Choose one option
Kindly answer both parts ,just explain answer in very few lines
George is interested in the question "what proportion of people in Chicago city are smokers".he surveys with a question"are u a smoker".he invites only his school friends staying in Chicago to answer his question.after 1 day, he gets 50 responses from which 10 people are smokers.identify the sampling method out of the 4 methods
Voluntary ,stratified ,convienance,simple random
Q2 a doctor is interested in knowing which type of corona vaccine is best effective.he buys 5 vaccines of each type and for 10 days between 8 am to 11 am ,he checks out the pulse rate of each person who uses one of these 10 vaccines
Choose one option
The study is controlled experiment , observational study ,
Paired data experiment,stratified experiment
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