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2.5.11 Inference using a correlation coefficient (A-level only)

The PMCC measures the strength and direction of a [     ] between two variables.

A

From −1-1−1 to 111 inclusive.

B

When p≤αp\leq\alphap≤α.

C

The PMCC measures the strength and direction of a linear association between two variables.

D

A p-value is calculated assuming that H0H_0H0​ is true.

2.5.11 Inference using a correlation coefficient (A-level only) Flashcards

  1. A Level
  2. /Maths
  3. /2.5.11 Inference using a correlation coefficient (A-level only)

Flashcards for OCR (MEI) A Level Maths 2.5.11 Inference using a correlation coefficient (A-level only), covering the key formulae, methods and definitions you need to recall for Component 01, Component 02 and Component 03. 21 cards, matched to the OCR (MEI) A Level Maths (H640) 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.