Evaluate the relationship between a person age

Reference no: EM13230288

A researcher would like to evaluate the relationship between a person's age and their preference between two leading cola brands. In a sample of 30 people, the researcher found that 15 out of 18 people over 30 preferred brand A and 3 out of 12 people under 30 preferred brand A. Are these data sufficient to indicate a significant relationship between age and cola preference? Test with ? = 0.05.

Reference no: EM13230288

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