These are the ages of the 8 elderly people in the nursing home: 76, 75, 80, 71, 82, 77, 75, 72. What are the median, mode, and mean of the data set?
这是敬老院8位老人的年龄：76、75、80、71、82、77、75、72．这组数据的中位数、众数和平均数各是多少？
<result>75</result>