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2.5 Statistical Hypothesis Testing

2.5 Statistical Hypothesis Testing

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Question 29

Liam has collected data from 25 local parks to investigate the relationship between the number of trees and the local species diversity index. He calculates the product moment correlation coefficient (PMCC).

Which of the following statements best describes his calculated result of 1.051.051.05?

  • Definitely incorrect
  • Probably incorrect
  • Probably correct
  • Definitely correct
[2]
Markscheme

2.5 Statistical Hypothesis Testing Questions

  1. A Level
  2. /Maths
  3. /2.5 Statistical Hypothesis Testing

316 exam-style questions on OCR A Level Maths 2.5 Statistical Hypothesis Testing, covering 2.5.1 The language of hypothesis testing, 2.5.2 Hypothesis test for a binomial proportion, 2.5.3 Inference and significance level, 2.5.4 Sample mean as a random variable (A-level only), 2.5.5 Hypothesis test for the mean of a normal distribution (A-level only), 2.5.6 Pearson's product-moment correlation coefficient, and 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.

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