A university Professor surveys 50 statistics students, 50 engineering students, 50 accounting students, and 50 management students regarding the new...

1. A university Professor surveys 50 statistics students, 50 engineering students, 50 accounting students, and 50 management students regarding the new policy in the school. Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience)

2. Airline companies are interested in the consistency of the number of babies on each flight, so that they have adequate safety equipment. Suppose an airline conducts a survey. Over Thanksgiving weekend, it surveys six flights from Toronto to New York to determine the number of babies on the flights. It determines the amount of safety equipment needed by the result of that study. Using complete sentences:

a)     List three things wrong with the way the survey was conducted.

b)     List three ways that you would improve the survey if it were to be repeated.