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Chapter 2

COB 191 Chapter Notes - Chapter 2: Frequency Distribution, Categorical Variable, Bar Chart


Department
College of Business
Course Code
COB 191
Professor
Abdelfattah
Chapter
2

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

!"#$!%&'(&)*%!&+$&%!&(+&
#,#!
o'#(!&)+!"#$!%&
o&&++!"-$!-'$++!$
o&#!+!"-$!- !&*!&$$'
&,$!'
2k=n
./*%!&+#
/*%!&+$&
class width=maximum data valueminimum value
k
+&!#&!##+&!!&$$'
"0$#
12##
#$$
&$*#
&$&$$#
 +!"#$!%&'$!&&!&&+&%!&&+#(
#!&&*%!&+&%!&
 *!+!"#$!-'##*$!&&!&&+(#$
)(((#3*(&$"45#&&467(&##
!+!"#$!%&,!
 #!$'%$&&%!&(#%#&$$
!!$%)(&*%!3(,*%!&+!6
 &&$'(#8&!*%!$(&)(
$#*&

!"-$!-9$"$%$#*%!&+&##!!#&+
!&#&!
 :%!#(!'$"$(9%&!0$#&!
o!$%!#(!'!&!*#&!
o#8$%!#(!')&!8)+&!#&*!$)(#&!
 !&#(!'%!#(!$"#&!&!&!*&$(
#&+!&%*!(#;(&!*((&)+!"-&+#&!(
#!&%*$#!&!$!
 #(!&&$+&!#&*!!&&!&+&!#&!#$
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