TOTAL QUALITY MANAGEMENT
Section: B
Group: 3
Assignment- 1 To 8 (Final)
Submitted to:
OBAIDUL ISLAM JR
GROUP MEMBER’S NAME
ID
KHALED MOHAMMED SHAH
19-39368-1
HASIB CHOWDHURY ARAFAT
19-41353-3
NUSRAT JAHAN MITHILA
19-39897-1
SHAFAYET SHAFIN
19-40324-1
Assignment- 1
Problem 1–
Make a Check sheet and Pareto diagram
No
Work
Tally
Relative
Frequency
Cumulative
Frequency
Relative-Cumulative
Frequency
1
Tires
IIII I
6/30*100=
20%
6
6/30*100=
20%
2
Lube & Oil
IIII IIII II
12/30*100=
40%
6+12
=18
18/30*100=
60%
3
Battery
IIII
4/30*100=
13%
6+12+4
=22
22/30*100=
73%
4
Brakes
IIII II
7/30*100=
24%
6+12+4+7
=29
29/30*100=
97%
5
Transmission
I
1/30*100=
3%
6+12+4+7+1
=30
30/30*100=
100%
N: B-Scatter Diagram
N: B-Ascending Data order
No
Work
Frequency
Relative
Frequency(Rf)
Cumulative
Frequency(Cf)
Relative-Cumulative
Frequency(RCf)
2
Lube & Oil
12
40%
12
12/30*100=
40%
4
Brakes
7
24%
12+7
=19
19/30*100=
63%
1
Tires
6
20%
12+7+6
=25
25/30*100=
83%
3
Battery
4
24%
12+7+6+4
=29
29/30*100=
97%
5
Transmission
1
3%
12+7+6+4+1
=30
30/30*100=
100%
n=30
N: B-Pareto Chart
Problem 2–
Construct a frequency distribution
N: B-Frequency Distribution
N: B-Histogram
CI
Tally
Frequency
(X,Y)
1-10
I
1
{
1-10, 1
}
11–20
IIII IIII IIII IIII IIII
IIII IIII IIII IIII II
47
{
11–20, 47
}
21–30
IIII IIII IIII II
17
{
21–30, 17
}
0 0 0 0 012 7 6 4 1
40%
63%
83%
97% 100%
0%
20%
40%
60%
80%
100%
120%
0
2
4
6
8
10
12
14
1 2 3 4 5
X AXIS-> Number
Y AXIS->RCF
Y AXIS->FREQUENCY
1
47
17
0
10
20
30
40
50
1 to 10 10 to 20 21 to 30
Y-AXIS-> Frequency
X-AXIS-> CI
Problem 3–
Make a Check sheet and Pareto diagram(2)
N: B-Scatter Diagram
N: B-Ascending Data order
No
Error
Tally
Frequency
Relative
Frequency
Cumulative
Frequency
Relative-Cumulative
Frequency
1
0
IIII IIII IIII
15
15/52*100=
28.85%
15
15/52*100=
28.85%
2
1
IIII IIII IIII IIII
20
20/52*100=
38.46%
15+20
=35
35/52*100=
67.31%
3
2
IIII III
8
8/52*100=
15.38%
15+20+8
=43
43/52*100=
82.7%
4
3
IIII
5
5/52*100=
9.62%
15+20+8+5
=48
48/52*100=
92.31%
5
4
III
3
3/52*100=
5.77%
15+20+8+5+3
=51
51/52*100=
98.07%
6
5
I
1
1/52*100=
1.92%
15+20+8+5+3+1
=52
52/52*100=
100%
n=52
No
Error
Frequency
Relative
Frequency(Rf)
Cumulative
Frequency(Cf)
Relative-Cumulative
Frequency(RCf)
2
1
20
38.46%
20
20/52*100=
38.46%
1
0
15
28.85%
20+15
=35
35/52*100=
67.31%
3
2
8
15.38%
15+20+8
=43
43/52*100=
82.7%
4
3
5
9.62%
15+20+8+5
=48
48/52*100=
92.31%
5
4
3
5.77%
15+20+8+5+3
=51
51/52*100=
98.07%
6
5
1
1.92%
15+20+8+5+3+1
=52
52/52*100=
100%
n=52
20
15
8
5
3
1
38.46%
67.31%
82.70%
92.31% 98.07% 100%
0.00%
20.00%
40.00%
60.00%
80.00%
100.00%
120.00%
0
5
10
15
20
25
Y-AXIS->Frequency