Z-Scores and Percentiles - Crash Course Statistics

Adriene Hill introduces the concept of comparing statistics using standardization, focusing on SAT and ACT scores. The video explains how to calculate z-scores to compare different scales and discusses percentiles. Practical applications of these concepts are demonstrated, including a challenge to compare athletes using z-scores.

Describe the process of converting a z-score back to a raw score.

What does it mean if a score is in the top 10% of a distribution?

What factors should be considered when determining if a score is extreme?

How do z-scores help in comparing athletes from different sports?