解: 求以下数列的平均数: 10, 28, 2, 81, 74, 88, 98, 3

📝 Problem

求以下数列的平均数: 10, 28, 2, 81, 74, 88, 98, 3

✨Detailed Solution

1. 📊 数据: {10, 28, 2, 81, 74, 88, 98, 3}, n = 8

2. 🧮 平均值: x̄ = (10 + 28 + 2 + 81 + 74 + 88 + 98 + 3) / 8 = 48

3. 📐 中位数: 排序: {2, 3, 10, 28, 74, 81, 88, 98}

中位数 = 51

🔒 5 steps remaining

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1. 📊 数据: {10, 28, 2, 81, 74, 88, 98, 3}, n = 8

2. 🧮 平均值: x̄ = (10 + 28 + 2 + 81 + 74 + 88 + 98 + 3) / 8 = 48

3. 📐 中位数: 排序: {2, 3, 10, 28, 74, 81, 88, 98}

中位数 = 51

🔒 5 steps remaining