Dala Transaction ID CustomerDate ISBN Number Price Coupon Gi

Dala Transaction ID CustomerDate ISBN Number Price Coupon? Gi? Quantity ID of Purfchase 29784330912 4J434 11/15/2009 345-25-2357 $39.95N 264835890013K725 9/27/2009 983-91-2733 $16.99 N N 26483589002 3K725 9/27/2009 192-68-2328 $7.95 Y N 36429489305 3U035 12/7/2009 227-44-5890 $30.00 N Y 364294893063U035 2/7/2009 223-40-2953$75.95N Y

Solution

a)

TRANSITION ID

quantitative with units counts

CUSTOMER ID

quantitative with units counts

DATE

categorical and ordinal

ISBN NUMBER OF PURSHASE

categorical and ordinal

PRICE

quantitative with units $$

COUPON

categorical and nominal

GIFT

categorical and nominal

QUANTITY

categorical and ordinal

B)

These data are a time series, there is a single variable measured at multiple points in time