For A and B just the answer no explaining needed. A/ What is the level of measurement for each of the following variables?

Student IQ ratings.

Distance students travel to class.

The jersey numbers of a sorority soccer team.

A student's state of birth.

A student's academic classthat is, freshman, sophomore, junior, or senior.

Number of hours students study per week. B/ For each of the following, determine whether the group is a sample or a population.

The participants in a study of a new cholesterol drug.

The drivers who received a speeding ticket in Kansas City last month.

People on welfare in Cook County (Chicago), Illinois.

The 30 stocks that make up the Dow Jones Industrial Average.

C/ Explain the difference between qualitative and quantitative variables. Give an example of qualitative and quantitative variables? D/ Explain the difference between a sample and a population. F/ Using the concepts of sample and population, describe how a presidential election is unlike an "exit" poll of the electorate.