Skip to content

Course home

Sign up

2.5.7 Hypothesis test using Pearson's coefficient (A-level only)

EasyMedium
123456789101112131415
Question 5

A study of 20 students compares the time spent studying (t t\,t hours) and their final test scores (s s\,s marks).

The product moment correlation coefficient for the sample is r=0.435r = 0.435r=0.435.

Stating your hypotheses clearly test, at the 2.5% significance level, whether there is a positive correlation between study time and test scores.

[4]
Markscheme

2.5.7 Hypothesis test using Pearson's coefficient (A-level only) Questions

  1. A Level
  2. /Maths
  3. /2.5.7 Hypothesis test using Pearson's coefficient (A-level only)

47 exam-style questions on OCR A Level Maths 2.5.7 Hypothesis test using Pearson's coefficient (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

Question bank