Listed below are pulse rates (beats per minute) from samples of adult males and females. Does there appear to be a difference? Find the coefficient of variation for each of the two samples; then compare the variation. Male 89 69 63 68 71 50 64 54 84 69 60 61 96 58 64 Female 67 84 81 70 73 82 90 87 88 90 92 68 88 78 76 The coefficient of variation for the male pulse rates is %. (Type an integer or decimal rounded to one decimal place as needed.)