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Data recording, analysis and presentation

Data recording, analysis and presentation

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Question 117

A researcher investigated whether there is an association between age group (Under 30 vs 30 and over) and preferred type of physical exercise (Running, Swimming, Yoga, or Weightlifting).

Table 1: Number of participants choosing each preferred exercise type

Age GroupRunningSwimmingYogaWeightlifting
Under 3034182246
30 and over28324020

Table 2: Extract of the table of critical values for the Chi-Square (chi2\\chi^2chi2) test

| Degrees of freedom (df) | 0.10 | 0.05 | 0.01 | | :--- | :---: | :---: | :---: | :---: | | 1 | 2.706 | 3.841 | 6.635 | | 2 | 4.605 | 5.991 | 9.210 | | 3 | 6.251 | 7.815 | 11.345 | | 4 | 7.779 | 9.488 | 13.277 |

Using the tables above, what is the critical value at the 1% significance level (p=0.01p = 0.01p=0.01) for the chi-square test calculated on this data?

[2]
Markscheme

Data recording, analysis and presentation Questions

  1. A Level
  2. /Psychology
  3. /Data recording, analysis and presentation

513 exam-style questions on OCR A Level Psychology Data recording, analysis and presentation. Each one has a worked solution and a mark scheme showing where the marks go.

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