Bias in Samples and Procedures to Ensure Randomness

In this post, we discuss sources of bias in samples, and procedures to ensure randomness, as a part of the QCE Maths Methods course under the topic Interval Estimates for Proportions and the Normal Distribution and sub-part Random Sampling.

Bias in Sample

Part 1: Crash Course sampling methods and bias with surveys

Part 2: Example of bias in survey