Misrepresentation, 2006) Unintentional misrepresentation can occur through bad sampling which is usually conclusive of sampling a small group in order to represent characteristics of a larger group or population. (Basics Statistical Concepts, 2011). One thing that can easily cause misrepresentation in...
What are the characteristics of a population for which a mean/median/modewould be appropriate? Inappropriate?
The analysis of data begins with descriptive statistics such as the mean, median, mode, range, standard deviation, variance, standard error of the mean, and confidence intervals. These statistics...
consumer behaviour, varied expectations of variety of consumers and new market openings, modern managers have a difficult task of making quick and appropriate decisions. Therefore, there is a need for them to depend more upon quantitative techniques like mathematical models, statistics, operations research...
review how much time and word count you devoted to the sections which the marker surrounded by square brackets.
Marks are awarded for correctness, not simply for the amount written.
Beware of the inappropriate use of key words, eg, using variance (key word) instead of variation...
location. They are also classed as summary statistics. The mean (often called the average) is most likely the measure of central tendency that you are most familiar with, but there are others, such as the median and the mode.
The mean, median and mode are all valid measures of central tendency, but under...
statistics” comment. (20). Solution: According to this definition the numerical facts (data) should possess the following characteristics to be treated as statistics.
(i) Aggregate of facts: ...
quantitative techniques to aid the process of decisionmaking in an ever increasing measure. This is due the fact that an intelligent application of the appropriate tools can reduce an otherwise unweildy and complex problem to one of the mangeable dimensions. Of course, the quantitative techniques are expected...
methods are the ways that psychologists investigate a theory. Different methods will be appropriate for different topics/theories/situations.
Quantitative = Quantitative research gathers data in numerical form which can be put into categories, or in rank order, or measured in units of measurement.
...
Lesson 1  Page 1
SM60.12 Business Statistics
Business Statistics
August Semester, 2012
Dr. Do Ba Khang
Business Statistics
•
•
•
What is statistics?
Lesson 1  Page 2
Set of scientific methods used to provide quantitative information for better
understanding and decision making...
• Optimization
• Measuring uncertainty
• Decision analysis with uncertainty
• Modeling and simulation
• Sensitivity Analysis
1
What is Management Science?
• Logical, systematic approach to decision
making using quantitative methods.
• Science Scientific methods used to
solve...
make reliable forecasts about business activities 4. To improve business process
Data are often selected from some larger set of data whose characteristics we wish to estimate.
Example: (1) Unemployment figures (2) Failure rate of startup companies (3) Proportion of female executives in an industry
...
REGRESSION
1. In general, a …………… is a number describing some aspect of a population. a. Sample. b. Parameter. c. Inference. d. Correction factor. 2. a. b. c. d. A sample quantity that serves to estimate an unknown parameter from a population is called: An equivalence. An estimator. An inference. An hypothesis...
Problem is whereby when a situation arises, and management of a company needs to make a decision which requires. It relates with a problem that is faced by the management or decision maker. It asks what the decision maker needs to do. The management decision problem is action oriented. It is concerned...
Chapter 7
MultipleChoice Questions
1. What does a hypothesis help you determine?
a. Statisitcal techniques to be used
b. Research question
c. Average score
d. Sampling error
2. Which of the following refers to the group to which you wish to generalize your results?
...
8. A set of subjects, usually randomly sampled, selected to participate in a research study is called: (Points : 1) 
Population
Sample
Mode Group
Partial Selection

9. A perfect negative relationship between two variables is expressed as r=0. (Points : 1)...
presentation using suitable software and techniques to
disseminate information effectively
17
3.4 Prepare a formal business report
18
4.1 use appropriate information processing tools
18
4.2 Prepare a project plan for an activity and determine the critical path
19
4.3 Use financial tools...
measuring customer loyalty and its impact on the relationship between the sitelocation criteria and sales, as well as considering other criteria that would more accurately predict sales.
To better understand customer loyalty, Burger King turned to Burke's (www.burke.com) Customer Satisfaction Division...
presentation using suitable software and techniques to
disseminate information effectively
17
3.4 Prepare a formal business report
18
4.1 use appropriate information processing tools
18
4.2 Prepare a project plan for an activity and determine the critical path
19
4.3 Use financial tools...
consumer behavior, varied expectations of variety of consumers and new market openings, modern managers have a difficult task of making quick and appropriate decisions. Therefore, there is a need for them to depend more upon quantitative techniques like mathematical models, statistics, operations research...
Introduction to statistics – What & Why Scope of statistics and its applications in marketing & managerial decision making Collection, classification and presentation of data
Course Contents Session 2 Measures of central tendency & Dispersion Mean, Median, Mode Range, Mean deviation & standard deviation
...