- 00:12
Introduction to the concept of z-scores.
- 00:43
First example: calculating z-score for score of 152.
- 01:59
Second example: calculating z-score for score of 29.
- 03:04
Introduction of calculating score from a given z-score.
- 04:32
Use of z-score tables to find percentages above/below the score.
- 08:48
Final example: using negative z-score and z-tables.
Normal Distribution: Z-Scores
Summary
The video offers a basic lesson on calculating z-scores in a normal distribution, detailing theoretical explanations and practical examples. It straightforwardly shows how to find z-scores given data points, means, and standard deviations, and vice versa using z-tables for percentage comparisons.
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