A sample of 250 observations has the following properties:
Mean: 8.6
Standard deviation: 4.9
Sample Kurtosis: 3.0
Median: 8.3
Mode: 8.1
This sample most likely has:A:At least one observation equal to 8.3B:Sample skewness greater than zeroC:Positive excess kurtosis
微信号:gaoduntiku
合作账户登录:
账户名:
密码:
关注官方微信
微信号:gaoduneclass
高顿网校
售前咨询(9:00-21:00)
400-168-8811
在线客服点击咨询
售后咨询(9:00-21:00)
021-31068088
fankui@gaodun.com
微信扫一扫实时资讯全掌握
Copyright © 2006- 高顿网校, All Rights Reserved.