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1
Practice makes perfect statistics / Sandra McCune.
New York : McGraw-Hill Contemporary Learning ; 2010.
147 p. : ill. ; 28 cm.
2
Probability and statistics : Schaum's Outline of probability and statistics / Murray R. Spiegel, John Schiller, R. Alu Srinivasan.
New York : McGraw-Hill, 2009
424 p. : ill. ; 22 cm.