Question: 57. In a statistic class, 10 scores were randomly selected with the following results were obtained (mean = 71.5): 74, 73, 77, 77, 71, 68,

57. In a statistic class, 10 scores were randomly selected with the following results were obtained (mean = 71.5): 74, 73, 77, 77, 71, 68, 65, 77, 67, 66 What is the range? A. 22.72 B. 12.00 C. 4.77 D. 516.20 E. 144.00

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