Differences

This shows you the differences between two versions of the page.

--- variability_and_spread [2019/09/23 11:39] – hkimscil
+++ variability_and_spread [2019/09/30 20:27] (current) – removed hkimscil
@@ Line 1: / Line 1: @@
-====== Variability and Spread ======
-Who are you going to use for the upcoming game (basketball)?
-^  A  ^^^^^^^
-| 7  | 8  | 9  | 10  | 11  | 12  | 13  |
-| 1  | 1  | 2  | 2  | 2  | 1  | 1  |
-^  B  ^^^^^
-| 7  | 8  | 10  | 11  | 13  |
-| 1  | 2  | 4  | 2  | 1   |
-^  C  ^^^^^^^
-| 3  | 6  | 7  | 10  | 11  | 13  | 30  |
-| 2  | 1  | 2  | 3  | 1  | 1  | 1  |
-[[:range]]
-[[:quartile]]
-[[:variance]]
-  * $ \sum \text{deviation score}^2 $
-  * $ \sum \text{error}^2 $
-    * error = 평균값으로 개인값을 추측했을 때 발생하는 오차
-    * 오차의 제곱의 합
-  * $ \sum \text{ds}^2 = \text{SS} = \text{Sum of Square} $
-  * $$ \text{variance} = \frac {SS}{n-1} = \frac {SS}{df}$$
-  *
-[[:standard deviation]]