D Marital Method of Status Payment Married Discover

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Develop a scatterplot and explore the correlation between customer age and net sales by each type of customer (regular/promotion).  Use the horizontal axis for the customer age to graph.  Find the linear regression line that models the data by each type of customer.  Round the rate of changes (slopes) to two decimal places and interpret them in terms of the relation between the change in age and the change in net sales.  What can you conclude?

Hint: Rate of Change = Vertical Change / Horizontal Change = Change in y

 / Change in x

 

L15
fx
G
H.
J
E
F
C
А
Marital
Method of
Туре of
Items
Net Sales
Age
22
Gender
Status
Payment
49.50
Customer
Customer
1
1 Regular
Male
Married
Discover
117.40
26
1
Proprietary Card
Proprietary Card
Proprietary Card
MasterCard
1
2 Promotional
Female
Married
32.50
22
1
3 Regular
Male
Married
115.40
18
4 Promotional
Female
Married
2
64.00
24
4
5
Female
Married
5 Regular
6 Regular
7 Promotional
8 Regular
9 Promotional
10 Regular
11 Regular
1
54.50
34
Female
Married
MasterCard
93.00
20
Female
Married
Proprietary Card
30
32.50
Female
Married
Visa
2
71.52
Proprietary Card
Proprietary Card
Proprietary Card
Proprietary Card
Visa
36
Female
Married
26
54.50
9.
10
11
12
13
14
15
16
17
|18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
Female
Married
38
39.50
Female
Married
30
1
46.60
12 Promotional
Female
Married
30
7
175.40
13 Promotional
Female
Married
36
2
79.50
14 Promotional
Female
Married
Visa
14
59.50
Visa
Single
Single
Single
15 Regular
Male
86.40
26
2
Proprietary Card
Proprietary Card
16 Promotional
Male
12
109.00
17 Promotional
Female
30
64.50
18 Regular
Male
Married
Discover
MasterCard
22
53.50
19 Promotional
Female
Married
59,80
Proprietary Card
Proprietary Card
Proprietary Card
American Express
Proprietary Card
46
20 Promotional
Female
Married
18
1
46.60
21 Promotional
Female
Single
28
85.82
22 Promotional
Female
Married
14
7
281.00
23 Promotional
Female
Married
32
84.00
24 Regular
Female
Married
Married
Visa
38
54.50
25 Promotional
Male
Proprietary Card
Proprietary Card
Proprietary Card
Proprietary Card
Proprietary Card
MasterCard
26 Promotional
Female
Married
50
1
45.02
27 Regular
Married
44
54.50
Female
32
207.80
28 Promotional
Female
Single
29 Promotional
Female
Married
22
3.
86.20
30 Promotional
Married
60
1
33.00
Female
31 Promotional
Female
Married
18
78.20
85.00
Proprietary Card
Proprietary Card
Proprietary Card
32 Regular
Female
Married
42
33 Promotional
Female
Married
34
3
78.20
34 Regular
Female
Married
24
2
50.00
Data Spring 2021
Sort
A1
A2
A3
A4
A5 Regular
A5 Promotional
Transcribed Image Text:L15 fx G H. J E F C А Marital Method of Туре of Items Net Sales Age 22 Gender Status Payment 49.50 Customer Customer 1 1 Regular Male Married Discover 117.40 26 1 Proprietary Card Proprietary Card Proprietary Card MasterCard 1 2 Promotional Female Married 32.50 22 1 3 Regular Male Married 115.40 18 4 Promotional Female Married 2 64.00 24 4 5 Female Married 5 Regular 6 Regular 7 Promotional 8 Regular 9 Promotional 10 Regular 11 Regular 1 54.50 34 Female Married MasterCard 93.00 20 Female Married Proprietary Card 30 32.50 Female Married Visa 2 71.52 Proprietary Card Proprietary Card Proprietary Card Proprietary Card Visa 36 Female Married 26 54.50 9. 10 11 12 13 14 15 16 17 |18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 Female Married 38 39.50 Female Married 30 1 46.60 12 Promotional Female Married 30 7 175.40 13 Promotional Female Married 36 2 79.50 14 Promotional Female Married Visa 14 59.50 Visa Single Single Single 15 Regular Male 86.40 26 2 Proprietary Card Proprietary Card 16 Promotional Male 12 109.00 17 Promotional Female 30 64.50 18 Regular Male Married Discover MasterCard 22 53.50 19 Promotional Female Married 59,80 Proprietary Card Proprietary Card Proprietary Card American Express Proprietary Card 46 20 Promotional Female Married 18 1 46.60 21 Promotional Female Single 28 85.82 22 Promotional Female Married 14 7 281.00 23 Promotional Female Married 32 84.00 24 Regular Female Married Married Visa 38 54.50 25 Promotional Male Proprietary Card Proprietary Card Proprietary Card Proprietary Card Proprietary Card MasterCard 26 Promotional Female Married 50 1 45.02 27 Regular Married 44 54.50 Female 32 207.80 28 Promotional Female Single 29 Promotional Female Married 22 3. 86.20 30 Promotional Married 60 1 33.00 Female 31 Promotional Female Married 18 78.20 85.00 Proprietary Card Proprietary Card Proprietary Card 32 Regular Female Married 42 33 Promotional Female Married 34 3 78.20 34 Regular Female Married 24 2 50.00 Data Spring 2021 Sort A1 A2 A3 A4 A5 Regular A5 Promotional
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