(i) How would you determine whether two or more continuous variables of a population are associated? By what features may the characteristic nature of the relationships existing between the variables be explained? (ii) Using the data provided below conduct a biostatistical analysis to demonstrate that the variables of interest in the populations from which these samples were drawn are associated or not and characterize the nature of the relationships existing between the variables? X      5        8       13      15      19       6       12      20      25      28      27      30 Y    125    126    130    131    132    126    129    135    140    145    143    142

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QU 4. (i) How would you determine whether two or more continuous variables of a population are associated? By what features may the characteristic nature of the relationships existing between the variables be explained?
(ii) Using the data provided below conduct a biostatistical analysis to demonstrate that the variables of interest in the populations from which these samples were drawn are associated or not and characterize the nature of the relationships existing between the variables?

X      5        8       13      15      19       6       12      20      25      28      27      30
Y    125    126    130    131    132    126    129    135    140    145    143    142

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