UNIT 1: SAMPLING AND DATA
STATISTICS is used to make informed decisions based on data analysis. This process starts with the evaluation and implementation of appropriate data gathering techniques. This unit introduces the concept of data and sampling methods commonly used in statistical research and studies.
TOPICS COVERED
- Definitions of Statistics, Probability, and Key Terms
- Data, Sampling, and Variation in Data and Sampling
- Frequency, Frequency Tables, and Levels of Measurement
- Experimental Design and Ethics
- Qualitative and quantitative variables
- Frequency tables, histograms, and Interpretations
LEARNING OUTCOMES
- Distinguish between qualitative and quantitative variables
- Compare and contrast population parameters with sample statistics
- Classify data according to their level of measurement
- Apply various types of sampling methods to data collection
- Create and interpret frequency tables, histograms
- Distinguish between observational studies and experiments
