For some value of Z, the value of the cumulative standardized normal distribution is 0.8340. The value of Z is

A researcher did not interview the required number of people, thinking about the travel expenses he could save on, and faked the answers by making up 'observed' responses through his experience and scaling. This is called curbstoning.

a. true b. false

Texting, online chat systems, and instant messaging are examples of which category of communication tools?

A) Messaging B) Telepathic C) Web content D) Information architecture E) Three-dimensional