Question 1

Nominal data is the highest level of data.

Accepted Answer

A) True 
 B)False

Question 2

When an accounting auditor randomly selects 20 accounts from all the accounts to check for accuracy,she has selected:

Accepted Answer

A) a personal observation. 
B) a sample from the population. 
C) a census. 
D) a convenience sample. 
A) a personal observation. 
B) a sample from the population. 
C) a census. 
D) a convenience sample.

Question 3

The method of data collection called direct observation is always associated with gathering data from people.

Accepted Answer

A) True 
 B)False

Question 4

Flavors of ice cream (chocolate,vanilla,strawberry,etc. )are an example of nominal data.

Accepted Answer

A) True 
 B)False

Question 5

The human resources department at a major high tech company recently conducted an employee satisfaction survey of 100 of its 3,000 employees.Data were collected on such variables as age,gender,marital status,current salary,level of overall satisfaction on a scale from 1 to 5,number of years with the company,and job title.Which of the following best describes the overall data set that was generated from the study?

Accepted Answer

A) Cross-sectional data 
B) Time-series data 
C) Nominal data 
D) Quantitative data 
A) Cross-sectional data 
B) Time-series data 
C) Nominal data 
D) Quantitative data

Question 6

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

Accepted Answer

A) True 
 B)False

Question 7

If a systematic random sample is to be selected of size 100 from a population with 5,000 items,the first item selected from the ordered population will be:

Accepted Answer

A) randomly selected between 1 and 100. 
B) randomly selected between 1 and 50. 
C) any randomly selected value between 1 and 5,000. 
D) item 50. 
A) randomly selected between 1 and 100. 
B) randomly selected between 1 and 50. 
C) any randomly selected value between 1 and 5,000. 
D) item 50.

Question 8

Mail questionnaires typically generate poor response rates.

Accepted Answer

A) True 
 B)False

Question 9

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

Accepted Answer

A) True 
 B)False

Question 10

The editor of a local newspaper is interested in determining the percentage of subscribers who read the paper's editorials.The statistical technique that he would use is called estimation.

Accepted Answer

A) True 
 B)False

Question 11

The Polson Pole and Fence Company recently did a quality check on the length of fence posts.To do this,each of the 400 posts in inventory was numbered.Numbers from 1 to 400 were placed in a bowl.Twenty numbers were selected from the bowl without looking.These 20 poles were the ones selected for the study.This type of sampling is called:

Accepted Answer

A) cluster sampling. 
B) simple random sampling. 
C) nonstatistical. 
D) convenience sampling. 
A) cluster sampling. 
B) simple random sampling. 
C) nonstatistical. 
D) convenience sampling.

Question 12

In a survey,what is meant by demographic questions and why might we want to include demographic questions in survey?

Accepted Answer

Demographic questions are questions that

Question 13

Which of the following is an example of graphs used to describe data?

Accepted Answer

A) Histograms 
B) Bar charts 
C) Both A and B are correct. 
D) None of the above. 
A) Histograms 
B) Bar charts 
C) Both A and B are correct. 
D) None of the above.

Question 14

The Cranston Company recently met with a group of its customers to ask questions about the service and products provided by the company.The data collected in this process would be an example of data collected through direct observation.

Accepted Answer

A) True 
 B)False

Question 15

A census is an enumeration of the entire sample of items selected from the population of interest.

Accepted Answer

A) True 
 B)False

Question 16

When a survey is done you can always assume that non-respondents would have answered the same way as those who did respond.

Accepted Answer

A) True 
 B)False

Question 17

Discuss the steps involved in developing and carrying out a written survey.

Accepted Answer

While there are several possible approac

Question 18

If a stratified random sample is to be conducted,which of the following is true?

Accepted Answer

A) The population will be broken down into subgroups called strata. 
B) Each subgroup should contain items that are homogeneous with respect to the characteristic of interest. 
C) If effective,the total required sample size should be less than that which would be needed if a simple random sample were selected. 
D) All of the above. 
A) The population will be broken down into subgroups called strata. 
B) Each subgroup should contain items that are homogeneous with respect to the characteristic of interest. 
C) If effective,the total required sample size should be less than that which would be needed if a simple random sample were selected. 
D) All of the above.

Question 19

An accountant who recently examined 200 accounts from a company's total of 4,000 accounts in an effort to estimate the percentage of all accounts that have incorrect journal entries is using descriptive statistical analysis to reach the conclusion.

Accepted Answer

A) True 
 B)False

Question 20

A histogram is an example of a numerical measure.

Accepted Answer

A) True 
 B)False

Nominal data is the highest level of data.

When an accounting auditor randomly selects 20 accounts from all the accounts to check for accuracy,she has selected:

The method of data collection called direct observation is always associated with gathering data from people.

Flavors of ice cream (chocolate,vanilla,strawberry,etc. )are an example of nominal data.

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

If a systematic random sample is to be selected of size 100 from a population with 5,000 items,the first item selected from the ordered population will be:

Mail questionnaires typically generate poor response rates.

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

The editor of a local newspaper is interested in determining the percentage of subscribers who read the paper's editorials.The statistical technique that he would use is called estimation.

In a survey,what is meant by demographic questions and why might we want to include demographic questions in survey?

Which of the following is an example of graphs used to describe data?

The Cranston Company recently met with a group of its customers to ask questions about the service and products provided by the company.The data collected in this process would be an example of data collected through direct observation.

A census is an enumeration of the entire sample of items selected from the population of interest.

When a survey is done you can always assume that non-respondents would have answered the same way as those who did respond.

Discuss the steps involved in developing and carrying out a written survey.

If a stratified random sample is to be conducted,which of the following is true?

An accountant who recently examined 200 accounts from a company's total of 4,000 accounts in an effort to estimate the percentage of all accounts that have incorrect journal entries is using descriptive statistical analysis to reach the conclusion.

A histogram is an example of a numerical measure.

Graphs,Charts and Tablesdescribing Your Data

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introduction to Quality and Statistical Process Control

Filters

Exam 1: The Where,Why,and How of Data Collection

Nominal data is the highest level of data.

When an accounting auditor randomly selects 20 accounts from all the accounts to check for accuracy,she has selected:

The method of data collection called direct observation is always associated with gathering data from people.

Flavors of ice cream (chocolate,vanilla,strawberry,etc. )are an example of nominal data.

Statistical inference would be used as the primary statistical tool by a quality control manager who wishes to estimate the average weight of her company's products.

If a systematic random sample is to be selected of size 100 from a population with 5,000 items,the first item selected from the ordered population will be:

Mail questionnaires typically generate poor response rates.

Data gathered from a structured interview is generally easier to analyze than data collected from an unstructured interview.

The editor of a local newspaper is interested in determining the percentage of subscribers who read the paper's editorials.The statistical technique that he would use is called estimation.

In a survey,what is meant by demographic questions and why might we want to include demographic questions in survey?

Which of the following is an example of graphs used to describe data?

The Cranston Company recently met with a group of its customers to ask questions about the service and products provided by the company.The data collected in this process would be an example of data collected through direct observation.

A census is an enumeration of the entire sample of items selected from the population of interest.

When a survey is done you can always assume that non-respondents would have answered the same way as those who did respond.

Discuss the steps involved in developing and carrying out a written survey.

If a stratified random sample is to be conducted,which of the following is true?

An accountant who recently examined 200 accounts from a company's total of 4,000 accounts in an effort to estimate the percentage of all accounts that have incorrect journal entries is using descriptive statistical analysis to reach the conclusion.

A histogram is an example of a numerical measure.

Graphs,Charts and Tablesdescribing Your Data

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introduction to Quality and Statistical Process Control

Filters