Inferential descriptive - jejit - practice (2)
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Descriptive statistics are used to describe characteristics of an entire population or group, while inferential statistics are used to make inferences about a population based on analysis of a sample. The document provides examples of when to use descriptive versus inferential statistics, such as using descriptive statistics to find the average driving distance for all employees, or using inferential statistics to understand factors influencing all employees to stay by surveying a sample.
Inferential descriptive - jejit - practice (2)
- 1. Descriptive statistics are used when you want to know something about everyone in an entire group. Central Tendency, Spread, or Symmetry? Satisfaction of a sample of 30 customers All customers satisfaction All customers’ satisfaction Inferential statistics are used when you want to know something about everyone from a smaller group.
- 3. Find the average driving distance for all employees from home to work. Inferential Descriptive
- 4. Find the average driving distance for all employees from home to work. Inferential Descriptive
- 5. Find the average driving distance for all employees from home to work. Inferential Descriptive
- 6. Find the average driving distance for all employees from home to work. Inferential Descriptive Descriptive statistics are used when you want to know something about everyone in an entire group. All customers’ satisfaction
- 7. Next Example
- 8. What factors influence employees to stay at your company? You take a sample of 40 employees and generalize the results to all employees who stay. Inferential Descriptive
- 9. What factors influence employees to stay at your company? You take a sample of 40 employees and generalize the results to all employees who stay. Inferential Descriptive
- 10. What factors influence employees to stay at your company? You take a sample of 40 employees and generalize the results to all employees who stay. Inferential Descriptive
- 11. What factors influence employees to stay at your company? You take a sample of 40 employees and generalize the results to all employees who stay. Inferential Descriptive Satisfaction of a sample of 30 customers All customers satisfaction Inferential statistics are used when you want to know something about everyone from a smaller group.
- 12. Final Example
- 13. How do the customer satisfaction levels compare between English and Spanish speaking customers? You compare samples from each group and infer the results to both populations. Inferential Descriptive
- 14. How do the customer satisfaction levels compare between English and Spanish speaking customers? You compare samples from each group and infer the results to both populations. Inferential Descriptive
- 15. How do the customer satisfaction levels compare between English and Spanish speaking customers? You compare samples from each group and infer the results to both populations. Inferential Descriptive
- 16. How do the customer satisfaction levels compare between English and Spanish speaking customers? You compare samples from each group and infer the results to both populations. Inferential Descriptive Satisfaction of a sample of 30 customers All customers satisfaction Inferential statistics are used when you want to know something about everyone from a smaller group.