Today Paper STA630 (03-12-2010)

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  1. Repart building is the essence of getting true responses of the respondents. Explain briefly. 3 marks
  2. Mail questioners are cost effective but not always. Comment on the statement. 3 marks
  3. How research question helps to formulate hypothesis? Explain with the of an example. 5 marks
  4. A valid instruments is always reliable but a reliable instrument is not always valid? Comment on this statement. 5 marks