Pregunta 4 The following data represent random samples taken from two different populations, A and B: A: 31 10 69 25 62 61 46 74 57 B: 1,030 1,111 1,155 978 943 983 932 1,067 1,013 Set A: Mean = 48.33, Standard Deviation = 21.87 Set B: Mean = 1023.55, Standard Deviation = 75.46 (A) Which sample has the greater spread when measured by the standard deviation? (B) Compute the coefficient of variation for the sample data selected from population A and from population B. Set A: CV = % Set B: CV = % Which sample exhibits the greater relative variation? Banco de palabras: set A 7.37 set B set B set A 45.3 1356.41 220.99

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