ebook,Speedy Publishing,Statistics (Parameters, Variables, Intervals, Proportions) (Speedy Study Guides),Dot EDU,Education & Teaching,Educational: study & revision guides,MATHEMATICS / Probability & Statistics / General,Mathematics : Probability & Statistics - General,Mathematics/Probability & Statistics - General,Probability & Statistics - General,Probability & statistics,Study & learning skills: general,Study Aids / Study Guides,Study Guides,MATHEMATICS / Probability & Statistics / General,Mathematics : Probability & Statistics - General,Mathematics/Probability & Statistics - General,Probability & Statistics - General,Study Aids / Study Guides,Study Guides,Education & Teaching,Study & learning skills: general" />