S1 Oct 2025 Q2 Explained P84842A WST01 01 Edexcel Statistics

In this video, I solve Question 2 from the Edexcel International A Level Statistics 1 October 2025 paper WST01/01.

This question covers:

* Finding lower quartile and upper quartile
* Interquartile range
* Outlier boundaries
* Drawing a box plot
* Identifying outliers
* Describing and interpreting skewness

Final key results:

* Lower quartile: Q_1=95
* Upper quartile: Q_3=112
* Outlier boundaries: 69.5 and 137.5
* Only outlier: 139
* Club B is positively skewed

This video explains the full method clearly for S1 2025 October Q2, including how to score full marks in box plot and skewness questions.

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Видео S1 Oct 2025 Q2 Explained P84842A WST01 01 Edexcel Statistics канала Infinity Maths Pro