Business Decision Making

Topics: Automated teller machine, Mean, Arithmetic mean Pages: 14 (6314 words) Published: October 21, 2014

3. Research Finding and Conclusion:
1. Table, chart, calculation and interpretation:
3.1 Customer profile:
3.1.1 Customers’ Age:
Age Midpoint (x) Frequency (f) Percentage
<18 12 11 11
≥18<30 24 25 25
≥30<55 42 47 47
≥55 67 17 17
Total 100 100
Table 3.1.1: The age of customers (Authors research)

Chart 3.1.1: The age of customers
Mean = f(x)f = 38.45
Variance = fx2f – x2 = 273.6
Standard deviation = 273.6 = 16.54
Mode 30-55
Median belong to ≥30<55 group
SD độ lệch chuẩnMD
Q1
P
Trung niên Giải thích dựa trên cả 2 loại dữ liệuSo sánh mean và SD 3.1.2 customers’ income monthly
Money (milions) Frequency Percentage
<1.5 19 19
1.5 – 5 19 19
5 – 10 40 40
>10 22 22
Total 100 100
Table 3.1.2 : monthly income of customers (Authors research)

Chart 3.1.2: monthly income of customers (Authors research)
3.1.3 Customers’ education:
Level of education Secondary High school College/ university Postgraduate Total Number 0 3 72 25 100
Percentage 0 3 72 25 100
Table 3.1.3: customers’ education (Authors research)

Chart 3.1.3: Customers’ education
3.1.4: Present job of customers
3.2: Behaviour information:
3.2.1: kind of place that customers used to withdraw
chose not chose
banks 68 32
supermarket 27 73
industrial group 57 43
school 17 83
hospital 2 98
market 8 92
Table 3.2.1:

Chart 3.2.1: kind of place that customers used to withdraw
3.2.2 the most popular kind of transaction:
Frequency Percentage
Withdraw 52 52
Saving money 2 2
Transfer 34 34
Payment 12 12
Total 100 100
Table 3.2.2: kind of transaction customers often do ( Authors research)

Chart 3.2.2: kind of transaction customers often do
3.3 Customers’ satisfaction:
3.3.1 Procedure of opening account:
Frequency percentage Cumulative frequency
1. Extremely complicated 1 1 1
2.Complicated 32 32 33
3.Fair 55 55 88
4.Simple 10 10 98
5.Extremely simple 2 2 100
Table 3.3.1: Customers’ assessment about procedure (Authors research)

Chart 3.3.1: Customers’ assessment about procedure
Mean = =∑fx∑f= 2.8
Variance = fx2f – x2 = 0.5
Standard Deviation = 0.5=0.73.3.2 Transaction fee
Frequency percentage Cumulative frequency
1.Completely not satisfied 0 0 0
2.Not satisfied 15 15 15
3.Fair 27 27 42
4.Quitely satisfied 58 58 100
5.Very satisfied 0 0 100
Table 3.3.2: Customers’ assessment about transaction fee (Authors research)

Chart 3.3.2: Customers’ assessment about transaction fee
mean =∑fx∑f= 343 / 100 = 3.43
Variance = fx2f – x2 = 0.55
Standard Deviation = 0.55=0.74
3.3.3 Interest rate:
Frequency percentage Cumulative frequency
1.Completely not satisfied 5 5 5
2.Not satisfied 52 52 57
3.Fair 37 37 94
4.Quitely satisfied 4 4 98
5.Very satisfied 2 2 100
Table 3.3.3: Customers’ assessment about interest rate (Authors research)

Chart 3.3.3: Customers’ assessment about interest rate
mean =∑fx∑f= 246 / 100 = 2.46
Variance = fx2f – x2 = 0.54
Standard Deviation = 0.54=0.74
3.3.4 Transaction limit:
Frequency percentage Cumulative frequency
1.Completely not satisfied 2 2 2
2.Not satisfied 13 13 15
3.Fair 71 71 86
4.Quitely satisfied 12 12 98
5.Very satisfied 2 2 100
Table 3.3.4 : Evaluate of transaction limit

Chart 3.3.4 : Evaluate of transaction limit
mean =∑fx∑f= 299 / 100 = 2.99
Variance = fx2f – x2 = 0.4
Standard Deviation = 0.4=0.64
3.3.5 Layout of ATM machine
x Frequency (f) fxFx2 Cumulative frequency (S) |X-x| f|X-x|
1.Completely not satisfied 1 1 1 1 1 2.42 2.42
2.Not satisfied 2 2 4 8 3 1.42 2.84
3.Fair 3 53 159 477 56 0.42 22.26
4.Quitely satisfied 4 42 168 672 98 0.58 24.36
5.Very satisfied 5 2 10 50 100 1.58 3.16
Total 15 100 342 1208 6.42 55.04
Mean X = 3.42
Tabie 3.3.5: Evaluate the ATM layout’s quality (Authors research)

Chart 3.3.5: Evaluate the ATM layout’s quality
Arithmetic mean =∑fx∑f= 342/ 100 = 3.42
Mean deviation = ∑f│X-x│n = 55.4 / 100 = 0.55
Median: Me =(n+1)th2 = (100+1)th2 = 50.5th
The...
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