The following references are helpful for this subject:
Basic Bibliography
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall.
Complementary Bibliography
DOWNING, D.; CLARK, J. (2010): Business Statistics. Barron's Educational Series.
NEWBOLD, P., CARLSON, W., THORNE, B. (2008): Statistics for Management and Economics. Ed. Prentice Hall.
ANDERSON, D.R.; SWEENEY, D.J.; WILLIAMS, T.A. (2011): Statistics for Business and Economics. Thomson Press (India) Ltd.
WACKERLY, D.; MENDENHALL III, W.; SCHEAFFER, R.L. (2008): Mathematical Statistics With Applications. Ed. Thomson.
BREMNER, J.M.; MORGAN, B.J.T.; JOLLIFFE, I.T.; JONES, B.; NORTH, P.M.; E. E. BASSETT; E.E. (2000): Statistics: Problems and Solutions. World Scientific Publishers.
OLSON OLTMAN, D.; LACKRITZ, J.R. (1991): Statistics for Business and Economics. Ed. Brooks/Cole Publishing Company.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
CHOU, Y.L. (1989): Statistical Analysis for Business and Economics. Ed. Elsevier.
Here you are a more detailed description of the useful references for each unit.
Unit 1 .- Uncertainty and probability.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 1.
DOWNING, D.; CLARK, J. (2010): Business Statistics. Barron's Educational Series.
NEWBOLD, P., CARLSON, W., THORNE, B. (2008): Statistics for Management and Economics. Ed. Prentice Hall.
Unit 2 .- Random variables.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapters 2 and 3.
DOWNING, D.; CLARK, J. (2010): Business Statistics. Barron's Educational Series.
ANDERSON, D.R.; SWEENEY, D.J.; WILLIAMS, T.A. (2011): Statistics for Business and Economics. Thomson Press (India) Ltd.
Unit 3 .- Discrete probability models.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 4.
WACKERLY, D.; MENDENHALL III, W.; SCHEAFFER, R.L. (2008): Mathematical Statistics With Applications. Ed. Thomson.
BREMNER, J.M.; MORGAN, B.J.T.; JOLLIFFE, I.T.; JONES, B.; NORTH, P.M.; E. E. BASSETT; E.E. (2000): Statistics: Problems and Solutions. World Scientific Publishers.
Unit 4 .- Continuous probability models.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 5.
OLSON OLTMAN, D.; LACKRITZ, J.R. (1991): Statistics for Business and Economics. Ed. Brooks/Cole Publishing Company.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
Unit 5 .- Joint analysis and limit theorems.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 6.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
CHOU, Y.L. (1989): Statistical Analysis for Business and Economics. Ed. Elsevier.
Unit 6 .- Introduction to sampling. Estimators.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapters 6 and 7.
DOWNING, D.; CLARK, J. (2010): Business Statistics. Barron's Educational Series.
NEWBOLD, P., CARLSON, W., THORNE, B. (2008): Statistics for Management and Economics. Ed. Prentice Hall.
Unit 7 .- Inferential tools. Distributions associated with sampling.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapters 6 and 7.
WACKERLY, D.; MENDENHALL III, W.; SCHEAFFER, R.L. (2008): Mathematical Statistics With Applications. Ed. Thomson.
BREMNER, J.M.; MORGAN, B.J.T.; JOLLIFFE, I.T.; JONES, B.; NORTH, P.M.; E. E. BASSETT; E.E. (2000): Statistics: Problems and Solutions. World Scientific Publishers.
Unit 8 .- Interval Estimation.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 7.
NEWBOLD, P., CARLSON, W., THORNE, B. (2008): Statistics for Management and Economics. Ed. Prentice Hall.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
Unit 9 .- Introduction to hypothesis testing.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 8.
DOWNING, D.; CLARK, J. (2010): Business Statistics. Barron's Educational Series.
NEWBOLD, P., CARLSON, W., THORNE, B. (2008): Statistics for Management and Economics. Ed. Prentice Hall.
Unit 10 .- Parametric tests.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapter 8.
BREMNER, J.M.; MORGAN, B.J.T.; JOLLIFFE, I.T.; JONES, B.; NORTH, P.M.; E. E. BASSETT; E.E. (2000): Statistics: Problems and Solutions. World Scientific Publishers.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
Unit 11 - Non-parametric tests.
WALPOLE, R.E.; MYERS, R.H.; MYERS; S.L.; KEYING, E. (2011): Probability and Statistics for Engineers and Scientists (9th Edition). Ed. Prentice Hall. Chapters 8 and 14.
CANAVOS, G.C. (1984): Applied Probability and Statistical Methods. Ed. Little, Brown and Company.
CHOU, Y.L. (1989): Statistical Analysis for Business and Economics. Ed. Elsevier.