1. What is predictive analytics?
2. What is the primary purpose of the data collection and storage process in data analytics?
3. What is the primary role of descriptive statistics?
Types of Analytics — roles?
Descriptive, predictive, prescriptive; analyze past, forecast, guide actions.
Data collection — purpose?
Gather and organize data for analysis and insights.
Population parameters — what?
True values describing entire population.
Sample statistics — purpose?
Estimate population parameters from samples.
Descriptive statistics — focus?
Summarize data using mean, median, mode.
Mean — definition?
Average of data points.
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