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

The data reduction process of descriptive statistics

Accepted Answer

A)  allows a few meaningful numbers to summarize a large amount of data 
B)  eliminates incorrect data 
C)  simply lists all available information in order 
D)  is rarely used 
A)  allows a few meaningful numbers to summarize a large amount of data 
B)  eliminates incorrect data 
C)  simply lists all available information in order 
D)  is rarely used

Question 3

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 the above 
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 the above

Question 4

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 5

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

Question 6

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

Question 7

An hypothesis differs from a theory in that

Accepted Answer

A)  it is "testable" 
B)  it is true 
C)  it is more speculative 
D)  it is more abstract 
A)  it is "testable" 
B)  it is true 
C)  it is more speculative 
D)  it is more abstract

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

The data reduction process of descriptive statistics

Categories of nominal level variables should be

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

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:

An hypothesis differs from a theory in that

Basic Descriptive Statistics Percentages, Ratios Rates, Tables, Charts Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

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

Bivariate Association for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and

Filters

Exam 1: Introduction

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

The data reduction process of descriptive statistics

Categories of nominal level variables should be

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

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:

An hypothesis differs from a theory in that

Basic Descriptive Statistics Percentages, Ratios Rates, Tables, Charts Graphs

Measures of Central Tendency

Measures of Dispersion

The Normal Curve

Introduction to Inferential Statistics Sampling the Sampling Distribution

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

Bivariate Association for Nominal- and Ordinal-Level Variables

Association Between Variables Measured at the Interval-Ratio Level

Partial Correlation and

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 ___.