統計 問題
平均やその他の中心傾向の指標を、解答例とともに。
記述統計の基礎である平均、中央値、最頻値に関する統計の問題をカバーし、素早い答えのための平均電卓も提供しています。
はじめる: 統計
統計の例題
以下の例題は現在、英語のみで提供されています。
1. Find the range of: 15, 18, 12, 14, 8+
答え: 10
Step 1: Identify the largest value (18) and the smallest value (8). Step 2: Range = largest - smallest = 18 - 8 = 10.
2. Find the mean of: 1, 12, 8, 10, 22+
答え: 10.6
Step 1: Add all the values: 1 + 12 + 8 + 10 + 22 = 53. Step 2: Divide by how many values there are, 5: 53 / 5 = 10.6.
3. Find the range of: 42, 6, 31, 28, 30+
答え: 36
Step 1: Identify the largest value (42) and the smallest value (6). Step 2: Range = largest - smallest = 42 - 6 = 36.
4. Find the range of: 9, 4, 34, 45, 19+
答え: 41
Step 1: Identify the largest value (45) and the smallest value (4). Step 2: Range = largest - smallest = 45 - 4 = 41.
5. Find the median of: 20, 44, 19, 48, 6+
答え: 20
Step 1: Sort the values from smallest to largest: 6, 19, 20, 44, 48. Step 2: With an odd count, the median is the middle value: 20.
6. Find the range of: 29, 32, 13, 45, 23+
答え: 32
Step 1: Identify the largest value (45) and the smallest value (13). Step 2: Range = largest - smallest = 45 - 13 = 32.