Exam 1: Introduction

A survey administered to a sample drawn from a local community finds that a person's political party affiliation is related to whether or not they favor an increase in local sales tax (the headline of a newspaper story based on this poll reads: "Republicans support proposed tax increase").This is an example of the use of

Categories of nominal level variables should be

Choose the nominal level variable below:

The variable socioeconomic status ranges from upper class to lower class and is an example of the

Data is the same thing as

In terms of the Wheel of Science,an hypothesis is derived from ____ and leads to ____.

A researcher wants to know if there is a relationship between region of birth and political party affiliation.She should calculate a

As we move down the right-hand side of the "Great Wheel of Science" we become more

An hypothesis states,in part,that "income increases as education increases." In this statement,education is

If a researcher summarizes the age of 1,000 people by calculating the average age,she is using

An hypothesis states,in part,that "income increases as education increases." In this statement,income is

If a variable is interval-ratio in level of measurement,it cannot also be

An hypothesis differs from a theory in that