Course Description:

This class covers the main concepts of statistics and relates these concepts to shop situations.

Course Prerequisites:

Math: Fundamentals 100; Math: Fractions and Decimals 105

Course Learning Objectives:

• Define statistics.
• Explain how variation appears in a shop.
• Distinguish between natural and unnatural variation.
• Describe common uses for statistics.
• Define probability.
• Calculate the mean for a set of numbers.
• Distinguish between a population mean and sample mean.
• Calculate the median for a set of numbers.
• Calculate the mode for a set of numbers.
• Describe the information contained in a histogram.
• Describe the appearance of a bell-shaped curve.
• Describe how the shape of a bell-shaped curve represents numerical data.
• Explain the method for calculating the range.
• Describe how standard deviation represents numerical data.
• Describe how standard deviation appears on the bell-shaped curve.
• Describe how standard deviation relates to probability.
• Describe how random sampling generates numerical data.

Course Outline:

1. Objectives
2. What Is Statistics?
3. What Is Variation?
4. Natural vs. Unnatural Variation
5. Why Use Statistics?
6. Probability and Sampling
7. Mean
8. Types of Mean
9. Median and Mode
10. The Histogram
11. The Bell-Shaped Curve
12. Types of Bell-Shaped Curves
13. Range
14. Standard Deviation
15. Standard Deviation and the Bell-Shaped Curve
16. Standard Deviation: An Example
17. Random Sampling
18. Summary