The members of a cross-functional team have an informal agreement that whenever a team member goes out of town on business, that team member will leave a phone number where he can be reached by the other members of the team. this arrangement is known as:

The 2007 nbi data were analyzed and the results made available oat the fhwa web site. using the fhwa inspection rations, each of the 599,766 highway bridges in the united states was categorized as structurally deficient, functionally obsolete, or safe. about 12% of the bridges were found to be structurally deficient, while 13.5% were functionally obsolete. a. what is the variable of interest to the researchers? b. is the variable of part a quantitative or qualitative?