Question

訪客

1.7 不懂為什麼不是description statistics
是因為後面的change 有經過計算嗎

說

a.。 Opservationaj Study
p. Designed experiment

1.6 Fi im the following blank:

veal only asSociatior
3      :   1, Whereas    1                     :
                     aS de    sd experiments can help
ee                      de Signed experimenmt   Ca      k

Observational Studies can Te-

Applying the Concepts and skills

7y? 乜AVe7ce7'yec'y 了有

C/qQsSz7 cogce7                     5           。
                     707 7 5/7/cs 5 27儿er Zesc77-
ZUe O7 7727e7e72777. 二\                                  了

7 yozr yye7s,

人執

        4             ata from a sample of Americans ylelded
te following &Stimates of average TV Viewing time per month for
引! Americans 2years old and older. The times are in hours and

minutes; Q1 stands for first quarter. [SOURCE: 7/iz Cyoss-7P7d//o7gj
和ez2oz7z, Quarter 1, 2011. Published by The Nielsen Company,

1.7 TV Yiewing Times,

@ 2011.       _Tmferemti A

一cc二     生玖 AA二和多吃ttOCG

 
                                                                                                                                                                                                                                                             
   
 
 
 
                                                                                                                                                                                                                                                                  
 
 

Yiewing method                Q12011|Q12010|Change (%)

 

Watching TV in the home                                         說3
Watching timeshifted TV                                         1人
DVR plJayback                                                    各
Using 了e Internet on a
CoInputer                               一1.4
Watching video on the
Jnternet                                                                34.5
Mobile subscribers watching
20.0

Video on amobile phone

].8 Professional Athlete Salaries. From the Sfgfsfcd/ Asfrdc/ 9

加8                  EE
乃e Cuzreg Sogfes and the article “Average Salarles lm the NBA,N

Ibutor
              人             i        blished on the Yahoo! Contm:
MJPB and NHL by J 、Do is 和 還

1.10

drui
六/r
yea
ent
av: