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Chapter 1

COB 191 Chapter Notes - Chapter 1: Business Statistics, Focus Group, Time Series


Department
College of Business
Course Code
COB 191
Professor
Abdelfattah
Chapter
1

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

Statistics ! 
"#$$##
Business statistics""$%"&""'
()%() " % 
*+
data&)"%$&,-#
%)"#
information###$#"%
""
primary data!#.&)&%$ 
$.&/) !
secondary data$!.&0"& 
) !&$.&&(1'
 $ &
direct observation))$!$&)$2$.
&$2(!$3$!"
focus group&'4#"5",&
)")$!
experiment""&.&
0"#3
survey!()""#1'.1(
6"-$1!),
""
quantitative data$$!4  
"#"5
ointerval6'$)$
)#!4true zero point7&$
#$2$)540)5
oratio)#6'7"405
qualitative4)5%$!"&
onominal&#.)! $41
!7&5
oordinal"&(/&46'$
8) '$5
time series data&""%(
&)#"'4)"5
cross section data&#$#$2)
)"4$)"5
9+"&#'
Descriptive stats:7"!#1(&&##.
&7))1##
Inferential stats:(,$$"
oPopulation:"$$2#"
!4"5
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