Question

All highway bridges in the U.S. are inspected periodically for structural deficiency by the Federal Highway Administration. Data is compiled from inspection and sent to the National Bridge inventory. Several of the 100 variables conserved are:

Length of maximum span

Whether the bridge has a toll or not

Average daily traffic

When the bridge was constructed

For each of the variable is it quantitative (discrete or continuous) or qualitative (nominal or ordinal)

Answer 1

Auswer: Cuantitative is something in conich we deals with numbers or numerical measwees and wheel Statistical econome e he analysis is involved. Eg: Height of student in range of 5 feet to 6 feet- Qualitative is something which is concerned with descriptions or wo of premo Classifications of In qualitative Starshical analysis is not involved

Good a Better < Best. Now, ☺ length of Maximum span is quantitative variable because length Ps a measure of number and Maximum - Spon is a measure of Statistical analysis. whether the bridge has a toll or not Ps qualitative variable because this measure includes the descaiphon about toll i ens yes or no que no Statistical analysis is involved in this . Average dary Traffer lig win Average daily traffic is a quantitative measure because it is dealing with numbers and Statistical analysis is used in computing the When the bridge was constructed a fee naay to 1 The answer may be some year ou month or a particular date which is a discription and no Statistical analysis is used in knowing such answers, therefore it is qualitative variable