DP Biology (first assessment 2025)

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Question EXEX.1B.HL.TZ0.5aiii

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXEX.1B.HL.TZ0.5aiii
Level HL Paper 1B Time zone TZ0
Command term Comment Question number iii Adapted from N/A
iii.
[Maximum mark: 1]
EXEX.1B.HL.TZ0.5aiii
(iii)

Comment on the significance of the error bars for muscle stiffness shown in the graph.

[1]

Markscheme

error bars do not overlap, indicating significant differences between both groups
OR
shorter error bars in NT show that results are less spread around the mean/ mean is more reliable;

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