Nature of the data practice
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The document discusses different types of data: - Scaled data provides exact amounts like miles per hour. - Ordinal or ranked data provides comparative amounts like 1st, 2nd, 3rd place. - Nominal data names or categorizes values like Republican or Democrat. - Nominal proportional data are percentages like 45% Republican, 55% Democrat. The key is determining what type of data is being influenced or is the "outcome" in questions being analyzed.
Nature of the data practice
- 1. What is the nature of the outcome data? Scaled? Ordinal? Nominal Proportional?Nominal?
- 2. What is the nature of the outcome data? Note: By outcome data we mean, the data that is being influenced by something. For example, “Do humanities or science professors drive faster?” The outcome data is not professors but speed.
- 3. Scaled data provides exact amounts. Central Tendency, Spread, or Symmetry? 12.5 feet60 degrees
- 4. Scaled data provides exact amounts. Central Tendency, Spread, or Symmetry? 80 Miles per hour 12.5 feet60 degrees 1st Place 2nd Place 3rd Place Ordinal or ranked data provides comparative amounts.
- 5. Scaled data provides exact amounts. Central Tendency, Spread, or Symmetry? 80 Miles per hour 12.5 feet60 degrees 1st Place 2nd Place 3rd Place Ordinal or ranked data provides comparative amounts. Nominal data names or puts values in categories. Republican or DemocratFor or Against Mexican, Canadian, or American
- 6. Scaled data provides exact amounts. Central Tendency, Spread, or Symmetry? 80 Miles per hour 12.5 feet60 degrees 1st Place 2nd Place 3rd Place Ordinal or ranked data provides comparative amounts. Nominal data names or puts values in categories. Republican or DemocratFor or Against Mexican, Canadian, or American Nominal proportional data are simply percentages. Republican 45% or Democrat 55%
- 7. In Summary
- 8. Scaled data provides exact amounts. Central Tendency, Spread, or Symmetry? 80 Miles per hour 12.5 feet60 degrees Ordinal or ranked data provides comparative amounts. 1st Place 2nd Place 3rd Place Nominal data names or puts values in categories. Republican or DemocratFor or Against Mexican, Canadian, or American Nominal proportional data are simply percentages. Republican 45% or Democrat 55%
- 10. Determine the type of data in each question that follows:
- 11. Does product A or B have the highest profit margin in terms of $$? Scaled? Ordinal? Nominal Proportional?Nominal?
- 12. Does product A or B have the highest profit margin in terms of $$? Scaled? Ordinal? Nominal Proportional?Nominal?
- 13. Does product A or B have the highest profit margin in terms of $$? Scaled? Ordinal? Nominal Proportional?Nominal?
- 14. Does product A or B have the highest profit margin in terms of $$? Scaled? Ordinal? Nominal Proportional?Nominal? Note – even though product A and B are categories and thus nominal, the focus is on what we call the outcome which in this case is $$.
- 15. Does product A or B have the highest profit margin in terms of $$? Scaled data is data that gives you exact amounts. 80 Miles per hour 12.5 feet 60 degrees Scaled? Ordinal? Nominal Proportional?Nominal?
- 16. Next Question
- 17. Does where you grow up influence your religious affiliation? Scaled? Ordinal? Nominal Proportional?Nominal?
- 18. Does where you grow up influence your religious affiliation? Scaled? Ordinal? Nominal Proportional?Nominal?
- 19. Does where you grow up influence your religious affiliation? Scaled? Ordinal? Nominal Proportional?Nominal?
- 20. Does where you grow up influence your religious affiliation? Nominal data is categorical. Republican or DemocratFor or Against Mexican, Canadian, or American Scaled? Ordinal? Nominal Proportional?Nominal?
- 21. Next Question
- 22. Which school ranks higher in terms of overall ACT scores? Scaled? Ordinal? Nominal Proportional?Nominal?
- 23. Which school ranks higher in terms of overall ACT scores? Scaled? Ordinal? Nominal Proportional?Nominal?
- 24. Which school ranks higher in terms of overall ACT scores? Scaled? Ordinal? Nominal Proportional?Nominal?
- 25. Which school ranks higher in terms of overall ACT scores? Ranked data is data that gives you comparative amounts. 1st Place 2nd Place 3rd Place Scaled? Ordinal? Nominal Proportional?Nominal?
- 26. Final Question
- 27. Do those enrolled in a test prep course have higher exam percentages than those not enrolled? Scaled? Ordinal? Nominal Proportional?Nominal?
- 28. Do those enrolled in a test prep course have higher exam percentages than those not enrolled? Scaled? Ordinal? Nominal Proportional?Nominal?
- 29. Do those enrolled in a test prep course have higher exam percentages than those not enrolled? Scaled? Ordinal? Nominal Proportional?Nominal?
- 30. Do those enrolled in a test prep course have higher exam percentages than those not enrolled? Scaled? Ordinal? Nominal Proportional?Nominal? Nominal proportional data are simply percentages. Republican 45% or Democrat 55%
- 31. Important Note
- 32. Important Note There are two types of inferential statistics: Parametric and non-parametric.
- 33. Important Note Parametric statistics under (the difference category) are those statistics that use scaled data. Because scaled data can use the mean in their calculations, parametric tests use the mean.
- 34. Important Note Non-Parametric statistics under the difference category are those statistics that use ordinal data or nominal proportional data (%) Because these data types cannot use the mean in their calculations, non-parametric tests use the median.
- 35. In this course you will not learn how to use non- parametric tests under the difference category.
- 36. But, you will learn the parametric tests under the difference category.
- 37. But, you will learn the parametric tests under the difference category. Mean Median Mode Range Stdev IQR Single t Ind t Paired t ANOVA ANCOVA F-ANOV RM Split Pearson Partial Point-B Phi Spearmn Kendall S-Linear M-Linear Chi-Ind Chi-Fit
- 38. But, you will learn the parametric tests under the difference category. Mean Median Mode Range Stdev IQR Single t Ind t Paired t ANOVA ANCOVA F-ANOV RM Split Pearson Partial Point-B Phi Spearmn Kendall S-Linear M-Linear Chi-Ind Chi-Fit
- 39. What is the nature of the outcome data? Scaled? Ordinal? Nominal Proportional?Nominal?
Editor's Notes
- #4: Does where you grow up influence your religious affiliation?
- #5: Does where you grow up influence your religious affiliation?
- #6: Does where you grow up influence your religious affiliation?
- #7: Does where you grow up influence your religious affiliation?
- #9: Does where you grow up influence your religious affiliation?