Video and Multimedia

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Using EXCEL to Calculate Statistics Problems
This video was created by Chieh-Chen Bowen.

Descriptive Versus Inferential Statistics
Illustrates the differential purposes served by descriptive and inferential techniques in conducting statistical analyses.
Practical examples of descriptive and inferential statistics
Simple Random Sampling, Convenience Sampling, Systematic Sampling, Cluster Sampling, Stratified Sampling

Types of Variables
Describes the concepts of; a) unit of observation and b) variables and consequently the differences amongst the three major levels of measurement of variables, nominal, ordinal and interval/ratio.