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2.5 Statistical Hypothesis Testing

2.5 Statistical Hypothesis Testing

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Question 6

A glaciologist is investigating the linear relationship between the annual rate of ice melt, MMM mm, and the mean surface temperature, TTT degrees Celsius. Which of the following is not a possible value for the calculated product moment correlation coefficient, rrr?

  • −0.92-0.92−0.92
  • π4\frac{\pi}{4}4π​
  • log⁡2(2.5)\log_{2}(2.5)log2​(2.5)
  • cos⁡(4)\cos(4)cos(4)
[2]
Markscheme

2.5 Statistical Hypothesis Testing Questions

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

355 exam-style questions on OCR (MEI) A Level Maths 2.5 Statistical Hypothesis Testing, covering 2.5.1 Process and language of hypothesis testing, 2.5.2 When to apply 1-tail and 2-tail tests, 2.5.3 Significance level and incorrect rejection, 2.5.4 Null and alternative hypotheses (binomial), 2.5.5 Conduct a binomial hypothesis test, 2.5.6 Critical and acceptance regions (binomial), 2.5.7 Distribution of the sample mean (A-level only), 2.5.8 Hypothesis test for a single mean (A-level only), 2.5.9 Critical and acceptance regions (mean) (A-level only), 2.5.10 Correlation as closeness to a straight line (A-level only), 2.5.11 Inference using a correlation coefficient (A-level only), and 2.5 Statistical Hypothesis Testing. Each one has a worked solution and a mark scheme showing where the marks go.

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