Quotes in data
he that would run his company on visible figures alone will in time have neither company nor figures.
no one can guess the future loss of business from a dissatisfied customer. The cost to replace a defective item on the production line is fairly easy to estimate, but the cost of a defective item that goes out to a customer defies measure.
There is no such thing as arrival exactly on time. In fact, exactly on time can not be defined.
If you change the rule for counting people, you come up with a new number.
It is wrong to suppose that if you can’t measure it, you can’t manage it – a costly myth.
Fear invites wrong figures. Bearers of bad news fare badly. To keep his job, anyone may present to his boss only good news.
management by numerical goal is an attempt to manage without knowledge of what to do, and in fact is usually management by fear.
Data are not taken for museum purposes; they are taken as a basis for doing something. If nothing is to be done with the data, then there is no use in collecting any. The ultimate purpose of taking data is to provide a basis for action or a recommendation for action. The step intermediate between the collection of data and the action is prediction.