Lecture

Paired Tests: Shoe Sole Experiment

Description

This lecture explains how to conduct paired tests using a shoe sole experiment as an example. By randomizing material assignments and measuring wear differences, the instructor demonstrates the paired t-test and its comparison to the t-test. The results show that material A is better than B, with a significant difference. Additionally, the lecture covers confidence intervals and provides guidelines for designing experiments, emphasizing the importance of genuine replication, blocking, and randomization.

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