Educational guide

IDENTIFYING DATA

2023_24

Subject

STATISTICS I

Code

00512008

Study programme

0512 - GRADO EN COMERCIO INTERNACIONAL

Descriptors

Credit.

Type

Year

Period

Basic Training

First

Second

Language

Castellano

Prerequisites

Department

ECONOMIA Y ESTADISTICA

Coordinador

ÁLVAREZ ESTEBAN , RAMÓN

E-mail

ralve@unileon.es
mevalp@unileon.es

Lecturers

ÁLVAREZ ESTEBAN , RAMÓN

VALLEJO PASCUAL , MARÍA EVA

Web

http://

General description

Tribunales de Revisión

Tribunal titular
Cargo	Departamento	Profesor
Presidente	ECONOMIA Y ESTADISTICA	HUERGA CASTRO , MARIA DEL CARMEN
Secretario	ECONOMIA Y ESTADISTICA	ABAD GONZáLEZ , JULIO IGNACIO
Vocal	ECONOMIA Y ESTADISTICA	BLANCO ALONSO , PILAR

Tribunal suplente
Cargo	Departamento	Profesor
Presidente	ECONOMIA Y ESTADISTICA	GARCIA GALLEGO , ANA BELEN
Secretario	ECONOMIA Y ESTADISTICA	FERNANDEZ HUERGA , EDUARDO CLAUDIO
Vocal	ECONOMIA Y ESTADISTICA	RODRIGUEZ FERNANDEZ , MARIA DEL PILAR

Competencias

Code
A6378
A6380
A6381
A6388
A6400
A6412
A6460
A6476
A6480
A6505
A6533
A6545
A6560
A6568
B783
B785
B789
B792
C3	CMECES3 That students have the ability to gather and interpret relevant data (normally within their area of study) to make judgments that include reflection on relevant issues of a social, scientific or ethical nature.

Learning aims

Competences
A6480
	B792	C3
	B792	C3
A6378 A6388 A6400 A6568	B783 B785 B789	C3
A6380 A6388 A6400 A6560	B783 B785 B789
A6378 A6388 A6400 A6412 A6560	B783 B785 B789	C3
A6378 A6388 A6400 A6476	B783 B785 B789	C3
A6378 A6388 A6400 A6412 A6476	B783 B785 B789	C3
A6378 A6545	B783 B785 B789	C3
A6378 A6388 A6400 A6412 A6545	B783 B785 B789	C3
A6378 A6388 A6400 A6533	B783 B785 B789	C3
A6378 A6388 A6400 A6412 A6533	B783 B785 B789	C3
A6381 A6505	B783 B785 B789	C3
A6381 A6388 A6400 A6460 A6505	B783 B785 B789
A6381 A6388 A6400 A6412 A6460	B783 B785 B789	C3
A6388 A6400 A6412	B783 B785 B789	C3

Contents

Topic	Sub-topic
INTRODUCTION	UNIT 1. Introduction to Statistics 1. Definition of Statistics 2. Descriptive Statistics and Statistical Inference 3. Stages of a statistical analysis 4. Statistics in business and economics 5. Data sources
DESCRIPTIVE STATISTICS	UNIT 2. Univariate frequency distributions 1. Introduction 2. Population, item and sample 3. Variables and measurement scales 4. Presenting data in tables 5. Charts 6. Applications UNIT 3. Univariate statistical analysis 1. Introduction 2. Measures of central tendency and location 3. Measures of variation 4. Measures of shape: skewness and kurtosis 5. Measures of inequality 6. Applications UNIT 4. Bivariate statistical analysis 1. Introduction 2. Cross-tabulation 3. Two-dimensional charts 4. Marginal and conditional frequency distributions. Independence 5. Covariance and correlation. Association 6. Linear and non-linear regression 7. Applications
STATISTICAL DESCRIPTION OF TIME DATA	UNIT 5. Index number and variation rates 1. Introducion 2. Definition and meaning of index numbers. Classification 3. Variation rates and simple index numbers. Properties 4. Composite index numbers (price and quantity). Variation in Laspeyres price index 5. Deflation of series 6. Consumer Price Index (CPI) 7. Applications UNIT 6. Classical time series analysis 1. Introduction 2. Definition of time series 3. Components of a time series and decomposition models 4. Trend analysis 5. Seasonal component analysis 6. Applications 5. Forecasting
PROBABILITY THEORY	UNIT 7. Probability 1. Introduction 2. Random events 3. Definitions of probability. Kolmogorov's definition 4. Conditional probability. Independence 5. Probability theory theorems: general multiplication rule, law of total probability and Bayes' theorem. 6. Applications UNIT 8. Random variables and probability distributions 1. Introduction 2. Definition of random variable. Classification 3. Probability distribution functions and characteristics of random variables 4. Discrete probability distributions 5. Continuous probability distributions 6. Applications

Planning

Methodologies :: Tests
	Class hours	Hours outside the classroom	Total hours
	40	40	80

	0	20	20
	10	30	40

Lecture	0	0	0

Mixed tests	6	0	6
Practical tests	0	4	4

(*)The information in the planning table is for guidance only and does not take into account the heterogeneity of the students.

Methodologies

Methodologies ::

	Description



Lecture

Personalized attention

Description

Tutorship of group: classes where the lecturer leads certain learning activities in
order to prepare students' own work and to solve questions and doubts.
Personal tuition: each student can voluntarily ask the lecturer any questions or
doubts about the subject, in the timetable that will be published at the beginning
of the semester.

Assessment

	Description	Qualification
Practical tests	Several practical exercises (5%) and applications (20%) will be proposed along the semester, that will be handed in by students in the corresponding deadline.	25%
Mixed tests	Two mixed tests with both a theoretical (25%) and a practical (75%) part, in order to assess the acquisition of theoretical contents and the correct solving of practical exercises and problems, will be taken. The first test will deal with units 1-4 and will account for 30% of the final grade. The second test will deal with units 7-8 and will account for the 15% of the final grade. The remaining 15% will be assessed by a multiple-choice test corresponding to units 5-6, with both theoretical and practical parts.	75%
Others	Class attendance and active participation.	5%

Other comments and second call

Sources of information

Access to Recommended Bibliography in the Catalog ULE

Basic
	Freund, J. E.; Perles, B. M. (2007) Modern elementary statistics, 12th edition. Upper Saddle River: Pearson Prentice Hall. Huerga, C.; Mures, M. J.; Abad, J.; Blanco, P.; García, A.; Vallejo, M. E. (2007) Problemas de Probabilidad e Inferencia Estadística Aplicada a las Ciencias Sociales . León: Universidad de León, Servicio de Publicaciones . Levine, D. M.; Stephan, D. F.; Krehbiel, T. C.; Berenson, M. L. (2008) Statistics for managers using Microsoft Excel, 5th edition. Upper Saddle River: Pearson Education. McClave, J. T.; Benson, P. G.; Sincich, T. (2012) Statistics for business and economics, 12th edition. New York: Pearson. Mures, M. J.; Abad, J .; García , A.; Huerga , C.; López . M. A.; Vallejo , E. (2004) Problemas de Estadística Descriptiva Aplicada a las Ciencias Sociales. Madrid: Prentice Hall. Newbold, P. (2013) Statistics for business and economics, 8th edition. Harlow, England: Pearson Education Limited. Nieuwenhuis, G. (2009) Statistical methods for business and economics. London, Madrid: McGraw-Hill Higher Education. Shiffler, R. E.; Adams, A. J. (1995) Introductory business statistics with computer applications, 2nd edition. Belmont: Duxbury press. Waller, D. L. (2008) Statistics for business. Oxford: Butterworth-Heinemann (Elsevier). Watson, C. J.; Billingsley, P.; Croft, D. J.; Huntsberger, D. V. (2002) Statistics for management and economics, 5th edition. Boston: Allyn and Bacon.
Complementary
	Iman, R. L.; Conover, W. J. (1989) Modern business Statistics, 2nd edition. New York: JohnWiley & Sons. Meier, K. J.; Brudney, J. L. (2002) Applied statistics for public administration, 5th edition. Belmont: Wadsworth Publishing Company. Rees, D. G. (2001) Essential Statistics, 4th edition. Boca Raton: Chapman & Hall/CRC. Salkind, N. J. (2008) Statistics for people who (think they) hate Statistics, 3rd edition. Thousand Oaks: Sage Publications. Witte, R. S. (2007) Statistics, 8th edition. Hoboken: John Wiley & Sons. Yates, D. S.; Starnes, D. S.; Moore, D. S. (2005) Statistics through applications. New York: W.H. Freeman.

Recommendations