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8/17/2019 Business Statistics Bba
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Marks
Below
10 20 30 40 50 60 70 80
No.of
student
s
15 35 60 84 96 127 198 250
3. Calculate Mode and Inter uart!le "an#e fro$ t%e
follow!n# data. (10)
Marks
less
t%an
10 20 30 40 50 60 70
No. of
student
s
2 13 33 63 89 99 100
4.&s!n# t%e follow!n# data o'ta!n two re#ress!on
l!nes.(10)
( 14 19 24 21 26 22 15 20 19 ) 31 36 48 37 50 45 33 41
39
(Following Paper ID and Roll No. to be flled in your Answer
Boo)
PAP!R ID " #1$1% Roll No.
B&RA IN#'I''! &F ANA*!!N' #+I!N+!#B.B.A.
*+,M. II- I"+/ +,++IN /,+/ 201516
Business #tatisti,s
Time : 1Hour
Total Marks: 30
Note " *1- tte$tall t%e uest!ons.
*2- ll uest!ons carr eual $arks.
1. nswer any two
parts. (5x2=10)
!. raw a %!sto#ra$ freuenc ol#on fro$ t%efollow!n# data.
ClassInteral
1020 2030 3040 4050 5060 6070
reuenc
4 6 10 20 12 2
!!. &se s%ortcut $et%od to calculate ar!t%e$at!c $eanfor t%e
data !n stat!st!cs o'ta!ned ' ten students.
+tuden
t No.
1 2 3 4 5 6 7 8 9 10
Marks 15 20 25 19 12 11 13 17 18 20
!!!. /%e aera#e $arks of 80 students were found to 'e
40. ater !t was d!scoered t%at a score of 54 was
-
8/17/2019 Business Statistics Bba
2/3
$!sread as 84.!nd t%e corrected $ean of 80
students.
Atte-pt any two"
2.Calculate t%e $ed!an and lower uart!le for t%e follow!n#.
(10)
Marks
Below
10 20 30 40 50 60 70 80
No.of
student
s
15 35 60 84 96 127 198 250
3. Calculate Mode and Inter uart!le "an#e fro$ t%e
follow!n# data. (10)
Marksless
t%an
10 20 30 40 50 60 70
No. of
student
s
2 13 33 63 89 99 100
4.&s!n# t%e follow!n# data o'ta!n two re#ress!on
l!nes.
(10)
( 14 19 24 21 26 22 15 20 19
) 31 36 48 37 50 45 33 41 39
(Following Paper ID and Roll No. to be flled in your
Answer Boo)
PAP!R ID " #1$1% Roll No.
B&RA IN#'I''! &F ANA*!!N' #+I!N+!#B.B.A.
*+,M. II- I"+/ +,++IN /,+/ 201516
Business #tatisti,s
Time : 1Hour
Total Marks: 30
Note " *1- tte$tall t%e uest!ons.
*2- ll uest!ons carr eual $arks.
1. nswer any two
parts. (5x2=10)
!. raw a %!sto#ra$ freuenc ol#on fro$ t%efollow!n# data.
ClassInteral
1020 2030 3040 4050 5060 6070
reuenc
4 6 10 20 12 2
!!. &se s%ortcut $et%od to calculate ar!t%e$at!c $ean
for t%e data !n stat!st!cs o'ta!ned ' ten students.
-
8/17/2019 Business Statistics Bba
3/3
+tuden
t No.
1 2 3 4 5 6 7 8 9 10
Marks 15 20 25 19 12 11 13 17 18 20
!!!. /%e aera#e $arks of 80 students were found to 'e
40. ater !t was d!scoered t%at a score of 54 was
$!sread as 84.!nd t%e corrected $ean of 80
students.
Atte-pt any two"
2.Calculate t%e $ed!an and lower uart!le for t%e follow!n#.
(10)
