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MCS,PHD
Argosy University/ Phoniex University/
Nov-2005 - Oct-2011
Professor
Phoniex University
Oct-2001 - Nov-2016
2.   A local bookstore is keeping a database of its customers to find out more about their spending habits and so that the store can start to make personal recommendations based on past purchases. Here are the first five rows of their database:
a)Â Â Â What does a row correspond to in this data table? How would you best describe its role: as a participant, subject, case, respondent, or experimental unit?
b)Â Â Â How many variables are measured on each row?
Â
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|
Transaction ID |
Customer ID |
Date |
ISBN Number of Purchase |
Price |
Coupon? |
Gift? |
Quantity |
|
29784320912 |
4J438 |
11/12/2009 |
345-23-2355 |
$29.95 |
N |
N |
1 |
|
26483589001 |
3K729 |
9/30/2009 |
983-83-2739 |
$16.99 |
N |
N |
1 |
|
26483589002 |
3K729 |
9/30/2009 |
102-65-2332 |
$9.95 |
Y |
N |
1 |
|
36429489305 |
3U034 |
12/5/2009 |
295-39-5884 |
$35.00 |
N |
Y |
1 |
|
36429489306 |
3U034 |
12/5/2009 |
183-38-2957 |
$79.95 |
N |
Y |
1 |
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