... we can improve it with better labeling. What does it mean that Oscar has a 0 in the second column? What do those letters mean in the column labelled Type? We can guess, but only Paul would know for sure. To remove the ambiguity, we should use more meaningful names, improve the formatting, and add units, as in Table 2.2.
Table 2.2 Units and formatting make data self-explanatory.
Customer | Club Member | Date | Type | Brand | Size | Amount |
---|---|---|---|---|---|---|
Oscar | No | 5-22-15 | Bike | Colnago | 58 cm | $4,625.00 |
Karen | Yes | 6-3-15 | Tube | Conti | 27 in | $4.50 |
Karen | Yes | 6-15-15 | Tire | Michelin | 27 in | $31.05 |
Bob | Yes | 8-20-15 | Bike | Kestrel | 56 cm | $3,810.00 |
The meaning of the second column is clear in Table 2.2. A 0 in this column means that the customer who made the purchase is not a club ...
Get Statistics for Business: Decision Making and Analysis, 3rd Edition now with the O’Reilly learning platform.
O’Reilly members experience books, live events, courses curated by job role, and more from O’Reilly and nearly 200 top publishers.