Describe positive and negative correlations, and explain how correlational measures can aid the process of prediction but not provide evidence of cause-effect relationships. When surveys and naturalistic observations reveal that one trait or behavior accompanies another, we say the two correlate.
Verizon Sensible Minute is an add-on calling plan for Verizon's residential service that offers flat-rate local regional toll calls at 11 cents per minute. The plan has a monthly fee of $2.99.Source:Verizon: Sensible Minute
Sprint Nextel began offering pre-paid wireless products and services via wholly owned MVNO Common Cents Mobile on May 13, 2010. Sprint Nextel intended these products and services as a lower-cost alternative, charging $.07 per minute for voice calls with round-down timing and $.07 per text message.