Answer:
C. Mean: 26.75; Range: 25
14, 19, 20, 25, 29, 33, 35, 39
Mean: 14 + 19 + 20 + 25 + 29 + 33 + 35 + 39 = 214/8 = 26.75
Range: 39 - 14 = 25
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