CC-BY-NC-SA 4.0 PowerPoint by Linda Williams, learn.vccs.edu

1. Module 1:
Introduction to Statistics
http://flic.kr/p/8groME

2. Statistics in Business
Accounting
Statistics
Marketing
Sports
Finance Entertainment
Economics
Management

3. What is Statistics?
• Science or Math or BOTH?
• Numerical Measurement
• Statistical Process
– Collect
– Analyze
– Interpret
– Present

4. Branches of Statistics
Statistics
Descriptive Inferential

5. Definitions. . .
• Census
• Population
• Sample

6. Population vs. Samples
Populations
Parameters
Greek Letters
Samples
Statistics
Roman Letters

7. Population vs. Samples
• Mean
• Variance
• Standard Deviation
• Proportion
• Mean
• Variance
• Standard Deviation
• Proportion

8. Inferential Statistics
Draw Sample
from Population
Calculate
Statistic
Inference

9. Levels of Data: Nominal

10. Levels of Data: Ordinal

11. Levels of Data: Interval

12. Levels of Data: Ratio

13. What can you do with that?
TYPE OF DATA
Nominal
Ordinal
Interval
Ratio
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