Question 1

Converting from continuous to categorical measures

Accepted Answer

A) results in loss of information about a variable. 
B) works because higher levels of measurement have all the properties of lower levels of measurement. 
C) in many cases is really useful for interpreting the results. 
D) is a process that really isn't subject to a lot of rules. 
E) All of these are correct. 
A) results in loss of information about a variable. 
B) works because higher levels of measurement have all the properties of lower levels of measurement. 
C) in many cases is really useful for interpreting the results. 
D) is a process that really isn't subject to a lot of rules. 
E) All of these are correct.

Question 2

Which statement(s)pertaining to the chi-square distribution is FALSE?

Accepted Answer

A) The chi-square distribution is completely determined by its degrees of freedom. 
B) The variable of interest is broken into k mutually exclusive categories. 
C) The expected number falling into a category is generated from the null hypothesis. 
D) The chi-square degrees of freedom are given by k - 2. 
E) The chi-square is appropriate for independent trials. 
A) The chi-square distribution is completely determined by its degrees of freedom. 
B) The variable of interest is broken into k mutually exclusive categories. 
C) The expected number falling into a category is generated from the null hypothesis. 
D) The chi-square degrees of freedom are given by k - 2. 
E) The chi-square is appropriate for independent trials.

Question 3

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

Accepted Answer

A) The z-score representing the desired degree of confidence 
B) The number of valid cases overall for the proportion 
C) The sample standard deviation 
D) The relevant proportion obtained from the sample 
E) All of these are relevant and necessary pieces of information for the calculation of sampling error for a proportion. 
A) The z-score representing the desired degree of confidence 
B) The number of valid cases overall for the proportion 
C) The sample standard deviation 
D) The relevant proportion obtained from the sample 
E) All of these are relevant and necessary pieces of information for the calculation of sampling error for a proportion.

Question 4

The arithmetic mean value across all responses for a variable is called the standard mean.

Accepted Answer

A) True 
 B)False

Question 5

Which of the following statements is TRUE with respect to outliers?

Accepted Answer

A) They represent special cases that should be treated differently from the rest of the observations. 
B) They can be located using frequency analysis. 
C) They can have a very strong influence on the sample mean. 
D) All of these are correct. 
E) None of these are correct. 
A) They represent special cases that should be treated differently from the rest of the observations. 
B) They can be located using frequency analysis. 
C) They can have a very strong influence on the sample mean. 
D) All of these are correct. 
E) None of these are correct.

Question 6

Some of the commonly used measures of location such as the median or quartiles can be read directly from a

Accepted Answer

A) matrix. 
B) frequency polygon. 
C) histogram. 
D) cumulative distribution function. 
E) contingency table. 
A) matrix. 
B) frequency polygon. 
C) histogram. 
D) cumulative distribution function. 
E) contingency table.

Question 7

Discuss the most commonly used descriptive statistics.

Accepted Answer

The most commonly used descriptive stati

Question 8

Which types of measurement are used to group respondents or objects into groups or categories and are thus referred to as categorical measures?

Accepted Answer

A) Nominal and interval 
B) Ordinal and ratio 
C) Ratio and interval 
D) Nominal and ordinal 
E) Ordinal and interval 
A) Nominal and interval 
B) Ordinal and ratio 
C) Ratio and interval 
D) Nominal and ordinal 
E) Ordinal and interval

Question 9

Both nominal and ordinal measures are easily used to group respondents or objects into groups or categories.

Accepted Answer

A) True 
 B)False

Question 10

In the following data set,what is the median? 12,0,0,1,1,1,6,10,11.

Accepted Answer

A) 4.66 
B) 1 
C) 42 
D) 6 
E) 0 
A) 4.66 
B) 1 
C) 42 
D) 6 
E) 0

Question 11

The chi-square test is an approximate test.The approximation is relatively good if the

Accepted Answer

A) expected number of cases in each category is 10 or more. 
B) expected number of cases in each category is 5 or more. 
C) expected number of cases in each category is 3 or more. 
D) actual number of cases in each category is 10 or more. 
E) actual number of cases in each category is 5 or more. 
A) expected number of cases in each category is 10 or more. 
B) expected number of cases in each category is 5 or more. 
C) expected number of cases in each category is 3 or more. 
D) actual number of cases in each category is 10 or more. 
E) actual number of cases in each category is 5 or more.

Question 12

A frequency analysis is NOT used to

Accepted Answer

A) locate blunders. 
B) locate outliers. 
C) determine the empirical distribution of the variable. 
D) communicate the results of the study. 
E) determine the relationship between two variables. 
A) locate blunders. 
B) locate outliers. 
C) determine the empirical distribution of the variable. 
D) communicate the results of the study. 
E) determine the relationship between two variables.

Question 13

The more confidence we want to have in the interval estimate,the larger the sample size should be.

Accepted Answer

A) True 
 B)False

Question 14

For which of the following is frequency analysis NOT useful?

Accepted Answer

A) Understanding the relationship between two variables 
B) Communicating the results of a study 
C) Determining the degree of item nonresponse 
D) Locating blunders 
E) Locating outliers 
A) Understanding the relationship between two variables 
B) Communicating the results of a study 
C) Determining the degree of item nonresponse 
D) Locating blunders 
E) Locating outliers

Question 15

Histograms are used to

Accepted Answer

A) investigate the relation between two variables. 
B) construct cumulative distribution functions. 
C) construct cross tabulation tables. 
D) determine the distribution of nonresponse errors. 
E) determine the empirical distribution of a variable. 
A) investigate the relation between two variables. 
B) construct cumulative distribution functions. 
C) construct cross tabulation tables. 
D) determine the distribution of nonresponse errors. 
E) determine the empirical distribution of a variable.

Question 16

A histogram is a form of bar chart that is based on information from a frequency count.

Accepted Answer

A) True 
 B)False

Question 17

Hypothesis testing involves two mutually exclusive hypotheses that are known as

Accepted Answer

A) null and alternative. 
B) null and conformative. 
C) primary and alternate. 
D) true and false. 
E) normal and variant. 
A) null and alternative. 
B) null and conformative. 
C) primary and alternate. 
D) true and false. 
E) normal and variant.

Question 18

In using percentages for reporting results it is reasonable to report percentages to two decimal places.

Accepted Answer

A) True 
 B)False

Question 19

Data analysis hinges on which of the following considerations about the variable(s)to be analyzed?

Accepted Answer

A) Will the variable be analyzed in isolation or in relationship to one or more other variables? 
B) What type of analysis is required by the project sponsor? 
C) What level of measurement was used to measure the variable(s)?. 
D) What level of measurement was used to measure the variable(s)? 
E) All of these are considerations about the variable(s)to be analyzed. 
A) Will the variable be analyzed in isolation or in relationship to one or more other variables? 
B) What type of analysis is required by the project sponsor? 
C) What level of measurement was used to measure the variable(s)?. 
D) What level of measurement was used to measure the variable(s)? 
E) All of these are considerations about the variable(s)to be analyzed.

Question 20

Which of the following statements concerning confidence intervals is FALSE?

Accepted Answer

A) A confidence interval can be inferred when a probabilistic sample is drawn. 
B) A confidence interval is produced by calculating the degree of nonsampling error for the particular statistic. 
C) Precision can be increased by increasing sample size or decreasing the confidence level. 
D) A narrower confidence interval can be obtained by increasing the sample size. 
E) A narrower confidence interval can be obtained by decreasing the degree of confidence desired. 
A) A confidence interval can be inferred when a probabilistic sample is drawn. 
B) A confidence interval is produced by calculating the degree of nonsampling error for the particular statistic. 
C) Precision can be increased by increasing sample size or decreasing the confidence level. 
D) A narrower confidence interval can be obtained by increasing the sample size. 
E) A narrower confidence interval can be obtained by decreasing the degree of confidence desired.

Converting from continuous to categorical measures

Which statement(s)pertaining to the chi-square distribution is FALSE?

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

The arithmetic mean value across all responses for a variable is called the standard mean.

Which of the following statements is TRUE with respect to outliers?

Some of the commonly used measures of location such as the median or quartiles can be read directly from a

Discuss the most commonly used descriptive statistics.

Which types of measurement are used to group respondents or objects into groups or categories and are thus referred to as categorical measures?

Both nominal and ordinal measures are easily used to group respondents or objects into groups or categories.

In the following data set,what is the median? 12,0,0,1,1,1,6,10,11.

The chi-square test is an approximate test.The approximation is relatively good if the

A frequency analysis is NOT used to

The more confidence we want to have in the interval estimate,the larger the sample size should be.

For which of the following is frequency analysis NOT useful?

Histograms are used to

A histogram is a form of bar chart that is based on information from a frequency count.

Hypothesis testing involves two mutually exclusive hypotheses that are known as

In using percentages for reporting results it is reasonable to report percentages to two decimal places.

Data analysis hinges on which of the following considerations about the variable(s)to be analyzed?

Which of the following statements concerning confidence intervals is FALSE?

The Role of Marketing Research

The Research Process and Ethical Concerns

Problem Formulation

Exploratory Research

Decision Support Systems: Introduction

Decision Support Systems: Working With Big Data

Using External Secondary Data

Conducting Causal Research

Collecting Descriptive Primary Data

Collecting Data by Observation

Collecting Data by Communication

Asking Good Questions

Designing the Data Collection Form for Communication Data

Developing the Sampling Plan

Data Collection: Types of Error and Response Rate Calculation

Data Preparation for Analysis

Analysis and Interpretation: Multiple Variables Simultaneously

The Oral Research Presentation

The Written Research Report

Filters

Exam 17: Analysis and Interpretation: Individual Variables Independently

Converting from continuous to categorical measures

Which statement(s)pertaining to the chi-square distribution is FALSE?

To calculate sampling error for a proportion,which of the following pieces of information is NOT needed?

The arithmetic mean value across all responses for a variable is called the standard mean.

Which of the following statements is TRUE with respect to outliers?

Some of the commonly used measures of location such as the median or quartiles can be read directly from a

Discuss the most commonly used descriptive statistics.

Which types of measurement are used to group respondents or objects into groups or categories and are thus referred to as categorical measures?

Both nominal and ordinal measures are easily used to group respondents or objects into groups or categories.

In the following data set,what is the median? 12,0,0,1,1,1,6,10,11.

The chi-square test is an approximate test.The approximation is relatively good if the

A frequency analysis is NOT used to

The more confidence we want to have in the interval estimate,the larger the sample size should be.

For which of the following is frequency analysis NOT useful?

Histograms are used to

A histogram is a form of bar chart that is based on information from a frequency count.

Hypothesis testing involves two mutually exclusive hypotheses that are known as

In using percentages for reporting results it is reasonable to report percentages to two decimal places.

Data analysis hinges on which of the following considerations about the variable(s)to be analyzed?

Which of the following statements concerning confidence intervals is FALSE?

The Role of Marketing Research

The Research Process and Ethical Concerns

Problem Formulation

Exploratory Research

Decision Support Systems: Introduction

Decision Support Systems: Working With Big Data

Using External Secondary Data

Conducting Causal Research

Collecting Descriptive Primary Data

Collecting Data by Observation

Collecting Data by Communication

Asking Good Questions

Designing the Data Collection Form for Communication Data

Developing the Sampling Plan

Data Collection: Types of Error and Response Rate Calculation

Data Preparation for Analysis

Analysis and Interpretation: Multiple Variables Simultaneously

The Oral Research Presentation

The Written Research Report

Filters