102 高考經建/統計學第4題 - 高考

By Frederic
at 2013-07-17T07:57
at 2013-07-17T07:57
Table of Contents
下列是5位學生的身高與體重資料:
身高(x) 172 168 164 170 176
體重(y) 62 54 58 64 62
請問那一個變數的離勢(Dispersion)較大?(15分)
A補習班解答是用 變異係數
B補習班用的是直接比較標準差
我的想法是 用變異係數當然沒問題
我想問說 如果用標準差可以嗎??
我知道身高和體重單位不一樣 用變異系數是比較好 可以消除單位
那單單比較標準差呢?? 似乎不大可行嗎?? 可是B補習班解答又那樣寫??
--
ps... 本文限制umist推文噓文箭頭
--
Tags:
高考
All Comments

By Ingrid
at 2013-07-19T12:40
at 2013-07-19T12:40

By James
at 2013-07-22T20:07
at 2013-07-22T20:07

By Blanche
at 2013-07-26T13:27
at 2013-07-26T13:27

By Ina
at 2013-07-30T16:52
at 2013-07-30T16:52

By Adele
at 2013-07-31T02:34
at 2013-07-31T02:34

By Gilbert
at 2013-07-31T23:47
at 2013-07-31T23:47

By Dinah
at 2013-08-03T08:46
at 2013-08-03T08:46

By Vanessa
at 2013-08-06T17:12
at 2013-08-06T17:12

By Irma
at 2013-08-08T22:13
at 2013-08-08T22:13

By Linda
at 2013-08-11T17:22
at 2013-08-11T17:22

By Cara
at 2013-08-16T01:17
at 2013-08-16T01:17

By Eden
at 2013-08-18T17:58
at 2013-08-18T17:58

By Hedda
at 2013-08-20T22:06
at 2013-08-20T22:06

By Ingrid
at 2013-08-22T17:13
at 2013-08-22T17:13

By Oscar
at 2013-08-24T06:58
at 2013-08-24T06:58

By Irma
at 2013-08-26T05:20
at 2013-08-26T05:20

By Joseph
at 2013-08-29T04:01
at 2013-08-29T04:01

By Oscar
at 2013-09-01T22:14
at 2013-09-01T22:14

By Yuri
at 2013-09-02T19:03
at 2013-09-02T19:03

By James
at 2013-09-06T10:19
at 2013-09-06T10:19

By John
at 2013-09-07T23:01
at 2013-09-07T23:01

By Anonymous
at 2013-09-12T06:50
at 2013-09-12T06:50

By Brianna
at 2013-09-16T22:34
at 2013-09-16T22:34

By Agnes
at 2013-09-19T11:20
at 2013-09-19T11:20

By Agatha
at 2013-09-20T03:11
at 2013-09-20T03:11

By Necoo
at 2013-09-25T03:09
at 2013-09-25T03:09

By Heather
at 2013-09-29T22:14
at 2013-09-29T22:14

By Zora
at 2013-09-30T12:55
at 2013-09-30T12:55

By Una
at 2013-10-04T12:45
at 2013-10-04T12:45

By Poppy
at 2013-10-06T22:44
at 2013-10-06T22:44

By Freda
at 2013-10-08T19:40
at 2013-10-08T19:40

By Zora
at 2013-10-09T19:42
at 2013-10-09T19:42

By Liam
at 2013-10-10T09:37
at 2013-10-10T09:37

By Belly
at 2013-10-10T12:47
at 2013-10-10T12:47

By Kelly
at 2013-10-15T03:23
at 2013-10-15T03:23

By Robert
at 2013-10-19T01:23
at 2013-10-19T01:23

By Hedy
at 2013-10-21T21:23
at 2013-10-21T21:23

By Xanthe
at 2013-10-26T17:57
at 2013-10-26T17:57

By Mary
at 2013-10-29T11:02
at 2013-10-29T11:02

By Thomas
at 2013-10-30T23:30
at 2013-10-30T23:30

By Yedda
at 2013-11-04T13:38
at 2013-11-04T13:38

By Kama
at 2013-11-05T16:53
at 2013-11-05T16:53

By Catherine
at 2013-11-09T09:52
at 2013-11-09T09:52

By Daph Bay
at 2013-11-11T21:09
at 2013-11-11T21:09

By Adele
at 2013-11-14T23:43
at 2013-11-14T23:43

By Carol
at 2013-11-15T22:54
at 2013-11-15T22:54

By Gilbert
at 2013-11-16T11:54
at 2013-11-16T11:54

By Franklin
at 2013-11-19T17:13
at 2013-11-19T17:13

By Anonymous
at 2013-11-20T15:06
at 2013-11-20T15:06

By Dorothy
at 2013-11-25T01:28
at 2013-11-25T01:28

By Quanna
at 2013-11-28T12:10
at 2013-11-28T12:10

By Zenobia
at 2013-12-03T07:23
at 2013-12-03T07:23

By Lauren
at 2013-12-05T17:23
at 2013-12-05T17:23

By Una
at 2013-12-10T05:38
at 2013-12-10T05:38

By Agnes
at 2013-12-13T00:06
at 2013-12-13T00:06

By Poppy
at 2013-12-16T11:01
at 2013-12-16T11:01

By Una
at 2013-12-18T15:01
at 2013-12-18T15:01

By Damian
at 2013-12-22T09:45
at 2013-12-22T09:45

By Frederic
at 2013-12-25T15:02
at 2013-12-25T15:02

By Victoria
at 2013-12-29T20:13
at 2013-12-29T20:13

By Steve
at 2014-01-02T05:52
at 2014-01-02T05:52

By Hamiltion
at 2014-01-02T16:17
at 2014-01-02T16:17

By Franklin
at 2014-01-06T14:12
at 2014-01-06T14:12

By Isabella
at 2014-01-08T13:07
at 2014-01-08T13:07

By Steve
at 2014-01-11T21:19
at 2014-01-11T21:19

By Anonymous
at 2014-01-12T14:31
at 2014-01-12T14:31

By Caroline
at 2014-01-12T23:07
at 2014-01-12T23:07

By Enid
at 2014-01-13T07:02
at 2014-01-13T07:02

By Suhail Hany
at 2014-01-17T19:28
at 2014-01-17T19:28

By Belly
at 2014-01-20T14:16
at 2014-01-20T14:16

By Steve
at 2014-01-23T16:52
at 2014-01-23T16:52

By Kama
at 2014-01-24T02:39
at 2014-01-24T02:39

By Jake
at 2014-01-24T07:26
at 2014-01-24T07:26

By Daniel
at 2014-01-25T16:41
at 2014-01-25T16:41
Related Posts
請問電力電子學

By Harry
at 2013-07-17T00:28
at 2013-07-17T00:28
普考行政法的準備方法

By Hedy
at 2013-07-16T15:56
at 2013-07-16T15:56
102年高考計算機概論第2題

By Megan
at 2013-07-16T12:34
at 2013-07-16T12:34
法緒高考用書

By Kyle
at 2013-07-16T10:48
at 2013-07-16T10:48
請問高考的解答在哪裡有呢?

By Dinah
at 2013-07-16T08:45
at 2013-07-16T08:45