The two primary stack operations are

If you determine that the best-fit line through some sample data is y = 4.5 + 3.8 x then 4.5 and 3.8 are the _____ for this data.

a. correlation coefficients b. standard deviation c. confidence measures d. linear regression coefficients

Increasingly, organizations are using _____ externally for branding, marketing, or public relations purposes.

a. corporate presence information b. corporate podcasts c. corporate blogs d. corporate wikis