Which of the following is false?
a) data mining is done mostly by the computer (automatically).
b) a data mart is smaller than a data warehouse.
c) sql is a computer language to create queries (ask questions about the data).
d) a data warehouse would probably be stored on access in a fortune 500 company.
e) data warehouses support olap, mining, and data marts.

Asample of 200 rom computer chips was selected on each of 30 consecutive days, and the number of nonconforming chips on each day was as follows: 8, 19, 27, 17, 38, 18, 4, 27, 9, 22, 30, 17, 14, 23, 15, 14, 12, 20, 13, 18, 14, 20, 9, 27, 30, 13, 10, 19, 12, 26. construct a p chart and examine it for any out-of-control points. (round your answers to four decimal places.)