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Excel and R Companion to Quantifying the User Experience: Rapid Answers to Over 100 Examples and Exercises by James R Lewis Phd, Jeff Sauro (Paperback / softback, 2012)

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Product Description : Excel And R Companion To Quantifying The User Experience: Rapid Answers To Over 100 Examples And Exercises A Stepbystep Guide For Calculating The Most Common Statistical Procedures In User Research Using Excel Or R With 100 Examples Pulled From Quantifying The User Experience Morgankaufmann We Provide The Reader With The Right Methods For Comparing Means And Proportions Generating Confidence Intervals Finding The Right Sample Size As Well As Many Statistical Procedures Not Available In Common Statistical Packages The Procedures Are Relevant For Small And Large Sample Sizes