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2.2.1 Data presentation and interpretation

Why must class intervals not overlap?

A

Each observation must belong to only one class.

B

The upper class boundary.

C

A total probability of 111.

D

For nnn observations, Q3Q_3Q3​ is read at cumulative frequency 3n4\boxed{\dfrac{3n}{4}}43n​​.

2.2.1 Data presentation and interpretation Flashcards

  1. A Level
  2. /Maths
  3. /2.2.1 Data presentation and interpretation

Flashcards for WJEC A Level Maths 2.2.1 Data presentation and interpretation, covering the key formulae, methods and definitions you need to recall for AS Unit 1, AS Unit 2, A2 Unit 3 and A2 Unit 4. 30 cards, matched to the WJEC A Level Maths (1300QS) specification. Recall questions account for roughly 50% of marks at A Level Maths, so these target the marks you can secure before the paper starts.