請幫忙回答以下問題:
The table shows the hight of student in a class
height 131-140 141-150 151-160 161-170
frequency 5 6 4 8
Finish the following table
height(less than) | | | | |
-----------------------------------------------------------------------------------------------------
Cumulative frequency | | | | |
Cumulative frequency polygon 問題
2007-05-26 5:46 pm
回答 (1)
2007-05-27 8:22 am
✔ 最佳答案
height(less than) |140.5|150.5|160.5|170.5|cumulative frequency |5|11|15|23|
140.5係將(140+141)/2計出來,150.5,160.5,170.5都係咁計的
而每一個frequency 都係將之前果個加自己果個
參考: me
收錄日期: 2021-04-13 14:31:05
原文連結 [永久失效]:
https://hk.answers.yahoo.com/question/index?qid=20070526000051KK00813