4. Supermarket Sales The Supermarket contains over 14,000 transactions made by supermarket customers over a period of approximately two years. (The data are not real, but real supermarket chains have huge data sets just like this one.) A small sample of the data appears in in the Figure below, Column B contains the date of the purchase, column C is a unique identifier for each customer, columns D-H contain information about the customer, columns l-K contain the location of the store, columns L-N contain information about the product purchased (these columns have been hidden to conserve space), and the last two columns indicate the number of items purchased and the amount paid. Purchase Customer Marital Home State or Units 1 Transaction Date Province Country Sold Revenue $27.38 ID Gender Status Owner Children Annual Income City 2 $30K - SSOK 5 57OK - $90K 12/18/2011 2 3 7223 Los Angeles CA USA 12/20/2011 7841 Y Los Angeles CA USA $14.90 2 $SOK - $7OK 3 $30K - $5OK 3 $130K - $150K Beverly Hills 4 12/21/2011 8374 Bremerton WA USA $5.52 12/21/2011 9619 Portland OR USA $4.44 12/22/2011 1900 6696 CA USA 4 $14.00 12/22/2011 $4.37 3 $10K - $30K 2 $30K - $SOK 2 $150K + M Beverly Hills CA USA 7. 12/23/2011 9673 Salem OR USA 4 $13.78 12/25/2011 354 Yakima WA USA $7.34 10 12/25/2011 1293 M 3 $1OK - $30K Bellingham WA USA $241 11 10 | 12/25/2011 7938 1 $SOK - $70K San Diego $8.96 M. CA USA a) Determine which variables are categorical and numerical. b) Summarize the variables using a bar graph.
4. Supermarket Sales The Supermarket contains over 14,000 transactions made by supermarket customers over a period of approximately two years. (The data are not real, but real supermarket chains have huge data sets just like this one.) A small sample of the data appears in in the Figure below, Column B contains the date of the purchase, column C is a unique identifier for each customer, columns D-H contain information about the customer, columns l-K contain the location of the store, columns L-N contain information about the product purchased (these columns have been hidden to conserve space), and the last two columns indicate the number of items purchased and the amount paid. Purchase Customer Marital Home State or Units 1 Transaction Date Province Country Sold Revenue $27.38 ID Gender Status Owner Children Annual Income City 2 $30K - SSOK 5 57OK - $90K 12/18/2011 2 3 7223 Los Angeles CA USA 12/20/2011 7841 Y Los Angeles CA USA $14.90 2 $SOK - $7OK 3 $30K - $5OK 3 $130K - $150K Beverly Hills 4 12/21/2011 8374 Bremerton WA USA $5.52 12/21/2011 9619 Portland OR USA $4.44 12/22/2011 1900 6696 CA USA 4 $14.00 12/22/2011 $4.37 3 $10K - $30K 2 $30K - $SOK 2 $150K + M Beverly Hills CA USA 7. 12/23/2011 9673 Salem OR USA 4 $13.78 12/25/2011 354 Yakima WA USA $7.34 10 12/25/2011 1293 M 3 $1OK - $30K Bellingham WA USA $241 11 10 | 12/25/2011 7938 1 $SOK - $70K San Diego $8.96 M. CA USA a) Determine which variables are categorical and numerical. b) Summarize the variables using a bar graph.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
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Transcribed Image Text:4. Supermarket Sales
The Supermarket contains over 14,000 transactions made by supermarket customers
over a period of approximately two years. (The data are not real, but real supermarket chains
have huge data sets just like this one.) A small sample of the data appears in in the Figure
below, Column B contains the date of the purchase, column C is a unique identifier for each
customer, columns D-H contain information about the customer, columns l-K contain the
location of the store, columns L-N contain information about the product purchased (these
columns have been hidden to conserve space), and the last two columns indicate the number of
items purchased and the amount paid.
A
Purchase Customer
State or
K
Marital Home
Units
1 Transaction Date
ID
Gender Status Owner Children Annual Income City
Los Angeles
Los Angeles CA
Province Country Sold Revenue
| 12/18/2011
2
12/20/2011 7841M MY
2
7223 F
SY
2 $30K - $5OK
CA
USA
$27.38
5 $7OK - $90K
2 $SOK - $70K
$14.90
$5.52
$4.44
$14.00
3
USA
5
12/21/2011
12/21/2011
4
3
8374
F
M N
Bremerton
WA
USA
3 $30K - $SOK
3 $130K - $150K Beverly Hills
9619
Portland
OR
USA
4
12/22/2011
12/22/2011 6696
12/23/2011 9673
12/25/2011
12/25/2011 1293 M
12/25/2011 7938 M
1900
F
CA
USA
4
F
Y
3 $10K - $30K
Beverly Hills CA
USA
3
$4.37
$13.78
$7.34
M
7.
M
Y
2 $30K - $SOK
Salem
OR
USA
4
9
354
F
2 $150K +
Yakima
WA
USA
10
Y
3 $10K - $30K
Bellingham
WA
USA
1
$2.41
1 $50K - $70K San Diego
$8.96
11
10
CA
USA
2
a) Determine which variables are categorical and numerical.
b) Summarize the variables using a bar graph.
|~~-~|
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