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DA- K13 DataSets
K13 principles of statistics for analysing datasets
| Question | Answer |
|---|---|
| What is Quantitative Data? | Quantitative data – numerical values that can be measured or counted |
| What is Qualitative Data? | Qualitative data – descriptive, non‑numerical data |
| What is meant by Data Distribution? | Data Distribution - Understanding if the data is following normal distribution (bell curve on scatter chart), |
| What does the term Outliers mean? | Identifying outliers and if they are effecting the results |
| What is Sampling Bias? | Sampling Bias - Ensuring represenatyive samples are being used. Avoiding bias by using incomple, non random or unbalanced samples |
| What does Correlation and Relationships refer to? | Correlation - Identify relationships within data - positive, negative or no correlation, correlation doesnt always imply causation |