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  1. 1
    by Anderson, David Ray 1941-
    Published 2014
    Book

    Statistics for business and economics
  2. 2
    by Creswell, John W.
    Published 2003
    Book

    Research design qualitative, quantitative, and mixed method approaches
  3. 3
    by Weisberg, Herbert F.
    Published 1992
    Book

    Central tendency and variability
  4. 4
    by Carmines, Edward G.
    Published 1979
    Book

    Reliability and validity assessment
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