Math  /  Data & Statistics

QuestionTASK 2 (a) Explain the meaning of each of the following statistical terms: (i) Level of measurement (02) (ii) Level of significance (102) (b) The following data relate to the number of vehicles owned and road deaths for the populations of 12 countries. (i) Compute Spearman's rank correlation coefficient. (17)
100000 population [D4] (ii) Interpret the result from question b(i) above.

Studdy Solution
Interpret the result:
The Spearman's rank correlation coefficient rs=0.4793 r_s = 0.4793 suggests a moderate positive correlation between the number of vehicles per 100 population and road deaths per 100,000 population. This indicates that as the number of vehicles increases, there tends to be an increase in road deaths, although the relationship is not very strong.

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