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4.3.1 Statistical hypothesis testing (A-level only)

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Question 53

A researcher expects hand span and hand length to have positive correlation. A random sample of 11 adults gives computer output R2=0.6889R^2=0.6889R2=0.6889, and the regression line has positive gradient. The one-tailed critical value at the 1% significance level is 0.6848.

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4.3.1 Statistical hypothesis testing (A-level only) Questions

  1. A Level
  2. /Maths
  3. /4.3.1 Statistical hypothesis testing (A-level only)

178 exam-style questions on WJEC A Level Maths 4.3.1 Statistical hypothesis testing (A-level only). Each one has a worked solution and a mark scheme showing where the marks go.

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