Here are the percents of the popular

vote won by each successful candidate

in 15 presidential elections.

49. 6, 55. 1, 57. 4, 49. 7, 61. 1, 43. 4,

60. 7, 50. 1, 50. 7, 58. 8, 53. 9, 43. 2,

49. 2, 47. 9, 51. 2

What is the first quartile?