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DA - K3 Life cycle

: principles of the data life cycle and the steps involved in carrying out routi

QuestionAnswer
What is quantitative Data? Numerical values that can be measured or counted
What is qualitative data ? descriptive, non‑numerical data
What is Data Distribution? Understanding if the data is following normal distribution (bell curve on scatter chart), Identifying outliers and if they are effecting the results
What is Sampling Bias? Ensuring represenatyive samples are being used. Avoiding bias by using incomple, non random or unbalanced samples
What is Data Correlation? Identify relationships within data - positive, negative or no correlation, correlation doesnt always imply causation
 



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