In: Statistics and Probability
TABLE C6-2: Customer Satisfaction |
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Customer Number |
Customer Name |
Satisfaction Level |
1 |
Anderson |
Very high |
2 |
Angero |
high |
3 |
Ball |
medium |
4 |
Bobak |
low |
5 |
Chontos |
high |
6 |
Detley |
very low |
7 |
Hetfield |
very high |
8 |
Iruja |
medium |
9 |
Jamesson |
high |
10 |
Kemp |
medium |
11 |
Lehmann |
high |
12 |
Lee |
high |
13 |
Lewins |
low |
14 |
Luo |
very high |
15 |
Madras |
very high |
16 |
Morris |
low |
17 |
Mulder |
medium |
18 |
Ngozichi |
low |
19 |
Nickens |
very high |
20 |
Poteau |
very high |
21 |
Sakomoto |
medium |
22 |
Scully |
high |
23 |
Singh |
high |
24 |
Skinner |
high |
25 |
Suzuki |
low |
26 |
Tang |
medium |
27 |
Vu'oto |
high |
28 |
Walker |
medium |
29 |
Yap |
high |
30 |
Zindermanelino |
very low |
b. Create a new column that gives a numerical value to the ordinal data in the category ‘Satisfaction Level’. Then sort the table by Satisfaction Level from highest to lowest.
CustomerNumber |
CustomerName |
SatisfactionLevel |
1 |
Anderson |
4 |
7 |
Hetfield |
4 |
14 |
Luo |
4 |
15 |
Madras |
4 |
19 |
Nickens |
4 |
20 |
Poteau |
4 |
2 |
Angero |
3 |
5 |
Chontos |
3 |
9 |
Jamesson |
3 |
11 |
Lehmann |
3 |
12 |
Lee |
3 |
22 |
Scully |
3 |
23 |
Singh |
3 |
24 |
Skinner |
3 |
27 |
Vu'oto |
3 |
29 |
Yap |
3 |
3 |
Ball |
2 |
8 |
Iruja |
2 |
10 |
Kemp |
2 |
17 |
Mulder |
2 |
21 |
Sakomoto |
2 |
26 |
Tang |
2 |
28 |
Walker |
2 |
4 |
Bobak |
1 |
13 |
Lewins |
1 |
16 |
Morris |
1 |
18 |
Ngozichi |
1 |
25 |
Suzuki |
1 |
6 |
Detley |
0 |
30 |
Zindermanelino |
0 |
0 = very low
1 = low
2 = medium
3 = high
4 = very high