Skip to main content

✦Đang tải AhaStep...

🏠Home 📝Exam 📖Practice 🧩Kids Math🔑Sign In

解: 求以下数列的平均数: 84, 3, 20, 39 — Detailed Solution | AhaStep

Home›Math›解: 求以下数列的平均数: 84, 3, 20, 39

📐 MathLevel 2 — 🟢 Basicstatistics👁 20 views⏱ 1 min read

解: 求以下数列的平均数: 84, 3, 20, 39

📝 Problem

求以下数列的平均数: 84, 3, 20, 39

✨Detailed Solution

🔗 Similar Problems

Statistics Calculate the arithmetic mean of these 9 numbers: 94, 122, 96, 10, 97, 136, 1... — Step-by-Step Solution

Statistics Calculate the arithmetic mean of these 7 numbers: 46, 72, 186, 43, 44, 42, 32... — Step-by-Step Solution

Statistics Find the average of: 39, 66, 65, 83, 80, 55 — Step-by-Step Solution

Solve: mean of 24 49 32 40

📚 Related Knowledge

Learn more about statistics in Math to master fundamental and advanced concepts.

📐 View statistics Theory →

📚 Solutions Library 📐 More Math 📖 Topic: statistics

🚀

Solve Your Problem

Take a photo or type your problem — AI solves step by step

1

1. 📊 数据: {84, 3, 20, 39}, n = 4

2

2. 🧮 平均值: x̄ = (84 + 3 + 20 + 39) / 4 = 73/2

3

3. 📐 中位数: 排序: {3, 20, 39, 84}

4

中位数 = 59/2

🔒 5 steps remaining

Solve: mean of 71 79 94 18 81 74 87

Solve: mean of 28 37 80