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Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions

Write the null hypothesis from the named variables, standardise the comparison and specify repeated quantitative measurements plus a mean and spread statistic.

Syllabus
First assessment 2019
Course
Biology YBI11
Level
AS

Exam points

  • Write a null hypothesis stating no difference or correlation between named variables.
  • Plan comparable treatments with controlled conditions and quantitative responses.
  • Extend data collection with repeats, a mean and a named measure of variability.

Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions question 1

[Maximum number: 3]

Carbohydrates are important molecules in living organisms.

The graph shows the relative sweetness of some monosaccharides and some disaccharides.

Figure for Question Edexcel A-Level Biology AS 3p 10 Planning Investigations Questions question 1 — Edexcel A-Level Biology AS

Devise an investigation that a student could carry out to confirm the data shown in the graph.

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