Homework SourseA local bookstore is keeping a database of its customers to
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. Thefirst 5 lines of the database appear in the table.
1) Describe the varible Transaction ID.
a) The varible Transaction ID is categorical and ordinal
b) The varible Transaction ID is categorical and norminal
c) The varible Transaction ID is an identifer variable
d) The varible Transaction ID is quantitative, with unit counts
2) Describe the variable Customer #.
a) The variable Customer # is categorical and norminal
b) The variable Customer # an identifer variable
c) The variable Customer # is quantitative, with unit counts
d)The variable Customer # is categorical and orminal
3) Describe the variable date.
a) the variable date is quantitative, with unit days
b) the variable date is categorical and norminal
c) the variable date is quantitative, with unit counts
d) the variable date is categorical and orminal
| Transaction ID | Customer # | Date | ISBN # | Price | Coupon? | Gift? | Quantity |
| 001 | A1 | 1/1/15 | 2342134 | $25.95 | N | N | 1 |
| 002 | B2 | 1/2/15 | 5656786 | $17.99 | N | N | 1 |
| 003 | C3 | 1/3/15 | 7697976 | $9.95 | Y | N | 1 |
| 004 | D4 | 1/4/15 | 5765890 | $45.00 | N | Y | 1 |
| 005 | E5 | 1/5/15 | 3456876 | $49.99 | N | Y | 1 |
Solution
1) Describe the varible Transaction ID.
The variable Transaction ID is categorical and nominal, and could also be described as an identifier variable.
The correct answer is:
b) The varible Transaction ID is categorical and norminal
c) The varible Transaction ID is an identifer variable
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2) Describe the variable Customer #.
The variable Customer # is categorical and nominal, and could also be described as an identifier variable.
The correct answer is:
a) The variable Customer # is categorical and norminal
b) The variable Customer # an identifer variable
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3) Describe the variable date.
The variable Date is quantitative, with units days.
The correct answer is:
a) the variable date is quantitative, with unit days
