• 2022-06-07
    I If a sample is selected using random sampling, it will be free from bias.II A sampling frame is a numbered list of all items in a sample.III Cluster sampling is a non-probability sampling method.IV In quota sampling, investigators are told to interview all the people they meet up to a certain quota.Which of the above statements are true?
    A: I, II ,III and IV
    B: I, II and IV only
    C: I and Il only
    D: I and IV only