Question 1

Which of the following is NOT a nominal level variable?

Accepted Answer

A)  level of education
B)  zip code
C)  occupation
D)  make of auto

Question 2

Which of the following survey items would generate a discrete variable?

Accepted Answer

A)  How old are you?
B)  How long does it take you to commute to work?
C)  How much did you pay in taxes last year?
D)  How many cars do you own right now?

Question 3

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 4

In the research process,the role of statistics is limited because

Accepted Answer

A)  numbers don't prove anything.
B)  of possible flaws in research design or method.
C)  the researcher may not be a mathematician.
D)  people lie when answering questionnaires.

Question 5

"Ninety percent of dorm residents approved a proposed ban on smoking." This statement is an example of the use of

Accepted Answer

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

Question 6

When using interval-ratio data,the distance between the scores is

Accepted Answer

A)  always two units.
B)  unequal.
C)  exactly defined.
D)  not always clear.

Question 7

Inferential statistics are necessary in social research because

Accepted Answer

A)  it may be impossible to find all members of a certain population.
B)  social scientists don't have the time or money to test an entire population.
C)  some of the population might not cooperate.
D)  samples are sometimes accurate representations of the population but can't always be used to generalize.

Question 8

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)  discrete

Question 9

Select the variable(s) that can be measured at the interval-ratio level

Accepted Answer

A)  different types of crimes
B)  number of children in a family
C)  attractiveness of a person
D)  emotional stability

Question 10

The number of years that a couple has been happily married is an example of

Accepted Answer

A)  nominal level datA.
B)  ordinal level data.
C)  interval-ratio level data.
D)  ordinary level data.

Question 11

Below are some items from a survey.For each item,identify the level of measurement and whether the variable will be discrete or continuous.Explain your reasoning for each item.

Accepted Answer

a.nominal, discrete
b.interval...

Question 12

Which of the following is a continuous variable?

Accepted Answer

A)  number of children
B)  time spent watching TV
C)  number of times you have changed residences within the last five years
D)  number of meals you consumed yesterday.

Question 13

Which of the following mathematical operations are permitted with interval-ratio level variables?

Accepted Answer

A)  addition
B)  subtraction
C)  division
D)  all of the above

Question 14

Which of the following questions would generate a continuous variable?

Accepted Answer

A)  How old are you?
B)  How many books do you own?
C)  How many times have you ever changed a flat tire?
D)  How many degrees do you have?

Question 15

In social research,the purpose of statistics is to

Accepted Answer

A)  prove that the research theory is correct.
B)  validate the research project design.
C)  manipulate and analyze data.
D)  ensure acceptance by the scientific community.

Question 16

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

Question 17

Some research situations are summarized below.For each situation,identify all variables and characterize them in terms of level of measurement and whether they are discrete or continuous.If applicable,identify which variables are dependent and which are independent.Explain your reasoning.What statistical application is being used?
A)A group of one hundred students are asked for their high school and college GPAs. The GPAs are then compared to see if there is any relationship between them.
B)A candidate for student body president telephones a randomly selected sample of students and asks about their opinion of the system used for course evaluation. Each student is asked if they strongly support, moderately support, or do not support the system. The candidate then uses this information to characterize the opinions of the entire student body
C)From what regions of the nation does the college football program recruit players? A researcher ascertains the hometowns of every member of the team for the past ten years.
D)Which sport on campus has the players with the highest GPAs? The academic records of randomly selected samples of athletes from all sports are compared to answer this question.
E)Is academic achievement associated with any "background" variables? Information on a sample of students is collected. The information includes GPA, age, sex, major, years of schooling completed by both parents, and marital status of the student.

Accepted Answer

a.The variables are HS and college GPAs,...

Question 18

A nominal-level variable like marital status or gender is always

Accepted Answer

A)  discrete.
B)  continuous.
C)  ordinal.
D)  dependent.

Question 19

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.

Question 20

If people who habitually drive over the speed limit have more fatal accidents,then speed is

Accepted Answer

A)  an independent variable.
B)  the dependent variable.
C)  an effect or result variable.
D)  none of the above

Exam 1: Introduction

Correct Answer
verified
a.The variables are HS and college GPAs,...
View Answer

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

Correct Answer
verified

"Ninety percent of dorm residents approved a proposed ban on smoking." This statement is an example of the use of

Correct Answer
verified

Select the variable(s) that can be measured at the interval-ratio level

Correct Answer
verified

Which of the following questions would generate a continuous variable?

Correct Answer
verified

In social research,the purpose of statistics is to

Correct Answer
verified

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

Correct Answer
verified

Which of the following mathematical operations are permitted with interval-ratio level variables?

Correct Answer
verified

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?

Correct Answer
verified

In the research process,the role of statistics is limited because

Correct Answer
verified

Below are some items from a survey.For each item,identify the level of measurement and whether the variable will be discrete or continuous.Explain your reasoning for each item.

Correct Answer
verified
a.nominal, discrete
b.interval...
View Answer

Which of the following survey items would generate a discrete variable?

Correct Answer
verified

Which of the following is a continuous variable?

Correct Answer
verified

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

Correct Answer
verified

Which of the following is NOT a nominal level variable?

Correct Answer
verified

Inferential statistics are necessary in social research because

Correct Answer
verified

If people who habitually drive over the speed limit have more fatal accidents,then speed is

Correct Answer
verified

The number of years that a couple has been happily married is an example of

Correct Answer
verified

A nominal-level variable like marital status or gender is always

Correct Answer
verified

When using interval-ratio data,the distance between the scores is

Correct Answer
verified

Exam 1: Introduction

Correct Answerverifieda.The variables are HS and college GPAs,...View AnswerShow Answer

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

Correct AnswerverifiedShow Answer

"Ninety percent of dorm residents approved a proposed ban on smoking." This statement is an example of the use of

Correct AnswerverifiedShow Answer

Select the variable(s) that can be measured at the interval-ratio level

Correct AnswerverifiedShow Answer

Which of the following questions would generate a continuous variable?

Correct AnswerverifiedShow Answer

In social research,the purpose of statistics is to

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following mathematical operations are permitted with interval-ratio level variables?

Correct AnswerverifiedShow Answer

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?

Correct AnswerverifiedShow Answer

In the research process,the role of statistics is limited because

Correct AnswerverifiedShow Answer

Below are some items from a survey.For each item,identify the level of measurement and whether the variable will be discrete or continuous.Explain your reasoning for each item.

Correct Answerverifieda.nominal, discreteb.interval...View AnswerShow Answer

Which of the following survey items would generate a discrete variable?

Correct AnswerverifiedShow Answer

Which of the following is a continuous variable?

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Which of the following is NOT a nominal level variable?

Correct AnswerverifiedShow Answer

Inferential statistics are necessary in social research because

Correct AnswerverifiedShow Answer

If people who habitually drive over the speed limit have more fatal accidents,then speed is

Correct AnswerverifiedShow Answer

The number of years that a couple has been happily married is an example of

Correct AnswerverifiedShow Answer

A nominal-level variable like marital status or gender is always

Correct AnswerverifiedShow Answer

When using interval-ratio data,the distance between the scores is

Correct AnswerverifiedShow Answer

Correct Answer
verified
a.The variables are HS and college GPAs,...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified
a.nominal, discrete
b.interval...
View Answer

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified

Correct Answer
verified