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BSB123 (27)

Class Notes for BSB123 at Queensland University of Technology

Data Analysis

BSB123 Lecture Notes - Lecture 12: Confidence Interval, Interval Estimation, Point Estimation
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TOPIC 12 - Estimation Estimation - Recall: Hypothesis testing is for determining the strength of evidence against the hypothesised value of a parameter. - Estimation is the process of using sampl...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 8: Atomic Orbital, Null Hypothesis, Statistic
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TOPIC 8 - Hypothesis Testing Technical note: The sample standard deviation, s, follows a chi-square distribution and X follows a z-distribution. When a z-distribution is divided by a chi-square distribution, the result ...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 11: Time Series, Sample Size Determination, Point Estimation
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TOPIC 11 - Time Series Analysis Forecasting Time Series Data - Data collected through time on a regular basis - Equal time intervals (years, quarters, months, weeks, etc) - Data in chronological or...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 10: Linear Regression, Stepwise Regression, Multicollinearity
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TOPIC 10 - Multiple Regression Categorical Variable - Categorical variable is not measured on quantitative scale. We cannot use the original categories (e.g. male, female) in regression - Solutio...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 9: Dependent And Independent Variables, Total Variation, Statistical Significance
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TOPIC 9 Simple Regression Regression Searching for causes is about understanding how people and things behave the way they do E.g. Will more spending on ads raise sales Why are some countries poor What determine empl...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 2: Supreme Headquarters Allied Powers Europe, Interquartile Range, Squared Deviations From The Mean
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TOPIC 2 Numerical Descriptive Measures (A) CENTRAL LOCATION Measure of a point around which all scores are centred Three measures of central location: Mean Uses all Information, mathematical properties make it most usef...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 6: Central Limit Theorem, Standard Deviation, Statistical Parameter
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TOPIC 6 Sampling Distributions Inferential Statistics Statistical inference is the method for drawing conclusions about a population based on a sample taking into account sampling error This unit focuses on two types of ...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 5: Standard Deviation
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TOPIC 5 Normal Distribution Characteristics of Normal Distribution Normal RV is continuous and between a nd + Normal curve is symmetrical around the mean (). Area under curve = 1 Mean () standard deviation () unique...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 7: Test Statistic, Level Set, Decision Rule
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TOPIC 7 Hypothesis Testing Why do we conduct a test? It is to find out the presence or absence of: A condition (Are you pregnant? Does he have cancer? Is the machine broken?) An effect (Does adding fluoride in water p...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 3: Sample Space, Conditional Probability, Standard Deviation
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TOPIC 3 Bivariate Data Organising analysing qualitative bivariate data Measuring association of quantitative bivariate data Covariance Correlation Coefficient Measure the strength and direction of linear relationship...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 4: Weighted Arithmetic Mean, Null Hypothesis, Random Variable
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TOPIC 4 Probability Expected Payout Expectation = Average in the long run or of large numbers Expected Value, E(X) E(X) is the weighted average of all possible outcomes associated with the random variable, X. The weight i...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture 1: Data Analysis Lecture Notes Topic 1 - Organising and Presenting Data
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TOPIC 1 Organising and Presenting Data Two Broad Areas in Statistics: 1. Descriptive Statistics a. Involves organisation, presentation and descriptive analysis of data with the aim of highlighting the features of a data s...

Business
BSB123
Dr Joanne Fuller
BSB123 Lecture Notes - Lecture 12: Consistent Estimator, Interval Estimation, Confidence Interval
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Estimation - Similar to hypothesis testing in terms of goals o Hypothesis testing: determine the strength of evidence against hypothesised value o Estimation: process of using sample dat...

Business
BSB123
Tommy Tang
BSB123 Lecture 11: Topic 10 - Time Series Analysis and Forecasting
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Time Series Analysis and Forecasting Time series data o Data collected through time on a regular basis o Equal time intervals o Chronological order o No gaps o Consists of four different components Longterm trend (L) Cycl...

Business
BSB123
Tommy Tang
BSB123 Lecture Notes - Lecture 10: X&Y, Correlation And Dependence, Statistical Significance
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Multiple regression More than 1 independent variable Assume a linear relationship between each of the explanatory variables and the dependent variable Similar regression estimate equation to simple regression, however a...

Business
BSB123
Tommy Tang
Permachart - Marketing Reference Guide: Security Interest, Consequential Damages, Parol Evidence Rule

TM permacharts S a le s&L e a s e so fG o o d s General Considerations Un...

Accounting
ACTG 2010
All Professors
Permachart - Marketing Reference Guide: Secured Transaction, Chattel Mortgage, Security Interest

permacharts TM S e c u r e dT r a n s a c t io n s Scope ...

Accounting
ACTG 2010
All Professors
Permachart - Marketing Reference Guide: Statement Of Changes In Equity, Retained Earnings, Cash Cash

permacharts MT FINANCIAL STATEMENTS • Financial statements are documents that are BALANCE SHEET (B/S) STATEMENT OF RETAINED EARNINGS (SRE) ...

Accounting
ACTG 2010
All Professors
Accounting II - Reference Guides

Advance your knowledge with our advanced Accounting II! This companion Guide to Accounting I develops the reader’s understanding of balance sheets before moving into an effective summary of how assets are treated for accou...

Accounting
ACTG 2010
All Professors
Cost Accounting - Reference Guides

Specialized Accounting quick reference information in one handy place! This Guide provides specialized reference material that flows naturally from the contents of its companion Guides Accounting I and Accounting II. The t...

Accounting
ACTG 2010
All Professors
Permachart - Marketing Reference Guide: New York Stock Exchange, Nyse American, Market Trend

l e a r n • r e f e r e n c e • r e v i e w permacharts TM Stocks & Bonds WHAT IS A STOCK? WHAT IS A BOND? ...

Biology
BIOL2761
All Professors
Permachart - Marketing Reference Guide: Net Asset Value, Mutual Fund, U.S. Securities And Exchange Commission

l e a r n • r e f e r e n c e • r e v i e w permacharts TM Mutual Funds WHAT IS A MUTUAL FUND? PURCHASING & REDEE...

Biology
BIOL2721
All Professors
Business Administration
BUS 343
All Professors
Permachart - Marketing Reference Guide: Business Communication, Human Communication, Jargon

Communication Success 2 Communication Success 3 permacharts TM ...

Business Administration
BUS 343
All Professors
Permachart - Marketing Reference Guide: Predatory Pricing, Sales Promotion, Marketing Mix

Introductory Marketing 2 Introductory Marketing 3 permacharts TM ...

Business Administration
BUS 343
All Professors
Administrative Law - Reference Guides

Administrative law directly influences the life of every American citizen. All local, state and federal agencies operate pursuant to general Administrative law principles. An understanding of all administrative law functio...

Business Admin - Mgt
MGMT 10
All Professors
Organizational Behavior - Reference Guides

The systematic study of individual and group behavior within organizational structures is outlined in this coordinated Guide. Theories of leadership and individual behavior are related to the foundations of group behavior ...

Psychology
PSYC 302
All Professors
Introduction to Business Law - Reference Guides

Business law, sometimes referred to as corporate-commercial law, is a system of governance and regulations in connection with the creation, existence and dissolution of businesses. Today, Canadian businesses are governed b...

BLAW - Business Law
BLAW 464
All Professors
Management - Reference Guides

The complex aspects of Management are made clearer in this Guide. This powerful Guide provides comprehensive assistance to anyone who desires a deeper appreciation of basic Management principles. The fundamentals of organi...

BA - Business Administration
BA 2283
All Professors
Corporations - Reference Guides

Corporations are explained with clarity and precision in this informative Guide! This guide helps to remove some of the confusion that popularly exists concerning the purpose, the extent, and the legal effect of different ...

BA - Business Administration
BA 2283
All Professors
Marketing - Reference Guides

An easy to follow summary of every key marketing principle. The ability to effectively match a product or service to a need requires a well rounded understanding of the selling, public relations, and advertising that makes...

MBA - Master's in Business Admin
MBA 643
All Professors
Permachart - Marketing Reference Guide: Meeting Of The Minds, Executory Contract, Uniform Commercial Code

l e a r n • r e f e r e n c e • r e v i e w permacharts TM CContracts WHAT IS A CONTRACT? STATUTE OF FRAUDS ...

Law and Business
LAW 603
All Professors

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