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
Pre-paid phones offer text plans that either charge per text or allow unlimited texts. For example, depending on which plan a customer signs up for, Verizon charges $0.02-$0.25 per text. AT&T has talk and text plans for prepaid phone that cost $25 and include unlimited text and 250 minutes of talk time.