Question 1

Variables measured at the ordinal level are limited to which of the following mathematical operations?

Accepted Answer

A) addition and subtraction 
B) multiplication 
C) ranking cases as higher or lower,more or less 
D) counting the number of cases per category 
A) addition and subtraction 
B) multiplication 
C) ranking cases as higher or lower,more or less 
D) counting the number of cases per category

Question 2

Which of the following can be treated as an interval-ratio variable?

Accepted Answer

A) social security number 
B) zip code 
C) age 
D) hair color 
A) social security number 
B) zip code 
C) age 
D) hair color

Question 3

A public opinion poll that gauges the popularity of the President of the United States is an example of

Accepted Answer

A) descriptive statistics. 
B) inferential statistics. 
C) analytical statistics. 
D) reductionist statistics. 
A) descriptive statistics. 
B) inferential statistics. 
C) analytical statistics. 
D) reductionist statistics.

Question 4

In addition to saying that one case is different from another,the ordinal level of measurement allows us to

Accepted Answer

A) order categories from high to low. 
B) measure the distance between high and low. 
C) say that one case is more or less than another. 
D) both order categories from high to low and say that one case is more or less than another. 
A) order categories from high to low. 
B) measure the distance between high and low. 
C) say that one case is more or less than another. 
D) both order categories from high to low and say that one case is more or less than another.

Question 5

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

Accepted Answer

A) general. 
B) abstract. 
C) dependent. 
D) specific. 
A) general. 
B) abstract. 
C) dependent. 
D) specific.

Question 6

Summarize the research process as conceptualized in the "Wheel of Science." Identify and explain each of the stages of the research process.At what stage do statistics become central? How? What is the role of statistics in the process?

Accepted Answer

The answer of Summarize the research process as conceptualized in...

Question 7

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

Accepted Answer

A) a qualitative technique. 
B) an incorrect hypothesis. 
C) data reduction. 
D) non-empirical reasoning. 
A) a qualitative technique. 
B) an incorrect hypothesis. 
C) data reduction. 
D) non-empirical reasoning.

Question 8

Without statistics,____ research would be impossible.

Accepted Answer

A) meaningful 
B) important 
C) qualitative 
D) quantitative 
A) meaningful 
B) important 
C) qualitative 
D) quantitative

Question 9

In the language of science,a variable that is thought to be causal is called

Accepted Answer

A) an independent variable. 
B) a hypothetical variable. 
C) a primary variable. 
D) a dependent variable. 
A) an independent variable. 
B) a hypothetical variable. 
C) a primary variable. 
D) a dependent variable.

Question 10

Measures of association are a type of descriptive statistics that allow us to

Accepted Answer

A) investigate the causal influence of some variables on others. 
B) predict the score on one variable from the score on another. 
C) know the strength and direction of a relationship between two or more variables. 
D) all of these 
A) investigate the causal influence of some variables on others. 
B) predict the score on one variable from the score on another. 
C) know the strength and direction of a relationship between two or more variables. 
D) all of these

Question 11

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

Accepted Answer

A) univariate descriptive statistics. 
B) inferential statistics. 
C) multivariate descriptive statistics. 
D) reductionist statistics. 
A) univariate descriptive statistics. 
B) inferential statistics. 
C) multivariate descriptive statistics. 
D) reductionist statistics.

Question 12

Categories of nominal level variables should be

Accepted Answer

A) mutually exclusive to avoid ambiguity in classifying cases. 
B) exhaustive so that every case fits into a category. 
C) relevant to the research goals. 
D) all of these 
A) mutually exclusive to avoid ambiguity in classifying cases. 
B) exhaustive so that every case fits into a category. 
C) relevant to the research goals. 
D) all of these

Question 13

According to the "Wheel of Science," research projects begin

Accepted Answer

A) with theory. 
B) with data. 
C) with an hypothesis. 
D) at any stage on the Wheel. 
A) with theory. 
B) with data. 
C) with an hypothesis. 
D) at any stage on the Wheel.

Question 14

On a test,the numbers used to identify the questions would be ____ in level of measurement while the number of correct responses would be ____.

Accepted Answer

A) nominal;interval-ratio 
B) interval-ratio;nominal 
C) ordinal;dependent 
D) ordinal;nominal 
A) nominal;interval-ratio 
B) interval-ratio;nominal 
C) ordinal;dependent 
D) ordinal;nominal

Question 15

Choose the nominal level variable below:

Accepted Answer

A) size of family unit 
B) eye color of students in statistics class 
C) speed of travel of a jet 
D) your weight 
A) size of family unit 
B) eye color of students in statistics class 
C) speed of travel of a jet 
D) your weight

Question 16

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

Accepted Answer

A) univariate descriptive statistic like the mean. 
B) qualitative measure of influence. 
C) measure of association. 
D) statistic that measures the non-relational differentiation between the two variables. 
A) univariate descriptive statistic like the mean. 
B) qualitative measure of influence. 
C) measure of association. 
D) statistic that measures the non-relational differentiation between the two variables.

Question 17

Prejudice,when measured on a scale ranging from 'most prejudiced' to 'least prejudiced,' is an example of which level of measurement?

Accepted Answer

A) actual 
B) ordinal 
C) nominal 
D) interval-ratio 
A) actual 
B) ordinal 
C) nominal 
D) interval-ratio

Question 18

Computation of a mean (or average)is completely justified when a variable is measured at which level?

Accepted Answer

A) interval-ratio 
B) ordinal 
C) nominal 
D) independent 
A) interval-ratio 
B) ordinal 
C) nominal 
D) independent

Question 19

Data is the same thing as

Accepted Answer

A) information collected in numerical form. 
B) information collected in any form. 
C) statistics. 
D) proof. 
A) information collected in numerical form. 
B) information collected in any form. 
C) statistics. 
D) proof.

Question 20

In time,the ____ variable precedes the ____ variable.

Accepted Answer

A) hypothetical;theoretical 
B) discrete;continuous 
C) independent;dependent 
D) dependent;independent 
A) hypothetical;theoretical 
B) discrete;continuous 
C) independent;dependent 
D) dependent;independent

Variables measured at the ordinal level are limited to which of the following mathematical operations?

Which of the following can be treated as an interval-ratio variable?

A public opinion poll that gauges the popularity of the President of the United States is an example of

In addition to saying that one case is different from another,the ordinal level of measurement allows us to

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

Summarize the research process as conceptualized in the "Wheel of Science." Identify and explain each of the stages of the research process.At what stage do statistics become central? How? What is the role of statistics in the process?

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

Without statistics,____ research would be impossible.

In the language of science,a variable that is thought to be causal is called

Measures of association are a type of descriptive statistics that allow us to

Categories of nominal level variables should be

According to the "Wheel of Science," research projects begin

On a test,the numbers used to identify the questions would be in level of measurement while the number of correct responses would be .

Choose the nominal level variable below:

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

Prejudice,when measured on a scale ranging from 'most prejudiced' to 'least prejudiced,' is an example of which level of measurement?

Computation of a mean (or average)is completely justified when a variable is measured at which level?

Data is the same thing as

In time,the variable precedes the variable.

Basic Descriptive Statistics: Percentages Ratios and Rates Frequency Distributions

Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction in Inferential Statistics, the Sampling Distribution, and Estimation

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Introduction to Bivariate Association and Measures of Association for Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and Multiple Regression and Correlation

Filters

Exam 1: Introduction

Variables measured at the ordinal level are limited to which of the following mathematical operations?

Which of the following can be treated as an interval-ratio variable?

A public opinion poll that gauges the popularity of the President of the United States is an example of

In addition to saying that one case is different from another,the ordinal level of measurement allows us to

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

Summarize the research process as conceptualized in the "Wheel of Science." Identify and explain each of the stages of the research process.At what stage do statistics become central? How? What is the role of statistics in the process?

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

Without statistics,____ research would be impossible.

In the language of science,a variable that is thought to be causal is called

Measures of association are a type of descriptive statistics that allow us to

Categories of nominal level variables should be

According to the "Wheel of Science," research projects begin

On a test,the numbers used to identify the questions would be ____ in level of measurement while the number of correct responses would be ____.

Choose the nominal level variable below:

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

Prejudice,when measured on a scale ranging from 'most prejudiced' to 'least prejudiced,' is an example of which level of measurement?

Computation of a mean (or average)is completely justified when a variable is measured at which level?

Data is the same thing as

In time,the ____ variable precedes the ____ variable.

Basic Descriptive Statistics: Percentages Ratios and Rates Frequency Distributions

Charts and Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction in Inferential Statistics, the Sampling Distribution, and Estimation

Hypothesis Testing I: the One-Sample Case

Hypothesis Testing II: the Two-Sample Case

Hypothesis Testing III: the Analysis of Variance

Hypothesis Testing Iv: Chi Square

Introduction to Bivariate Association and Measures of Association for Variables Measured at the Nominal Level

Association Between Variables Measured at the Ordinal Level

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and Multiple Regression and Correlation

Filters

On a test,the numbers used to identify the questions would be in level of measurement while the number of correct responses would be .

In time,the variable precedes the variable.