Question 1

The D in the DCOVA framework stands for "data".

Accepted Answer

A) True 
 B)False

Question 2

The oranges grown in corporate farms in an agricultural state were damaged by some unknown fungi a few years ago.Suppose the manager of a large farm wanted to study the impact of the fungi on the orange crops on a daily basis over a 6-week period.On each day a random sample of orange trees was selected from within a random sample of acres.The daily average number of damaged oranges per tree and the proportion of trees having damaged oranges were calculated.In this study,drawing conclusions on any one day about the true population characteristics based on information obtained from the sample is called .

Accepted Answer

inferentia

Question 3

Compiling the number of registered voters who turned out to vote for the primary in Iowa is an example of descriptive statistics.

Accepted Answer

A) True 
 B)False

Question 4

Business analytics combine "traditional" statistical methods with methods and techniques from management science and information systems to form an interdisciplinary tool that supports fact-based management decision making.

Accepted Answer

A) True 
 B)False

Question 5

The estimation of the population average family expenditure on food based on the sample average expenditure of 1,000 families is an example of

Accepted Answer

A) inferential statistics. 
B) descriptive statistics. 
C) DCOVA framework. 
D) operational definition. 
A) inferential statistics. 
B) descriptive statistics. 
C) DCOVA framework. 
D) operational definition.

Question 6

The Commissioner of Health in New York State wanted to study malpractice litigation in New York.A sample of 31 thousand medical records was drawn from a population of 2.7 million patients who were discharged during 2010.The collection,presentation,and characterization of the data from patient medical records are examples of .

Accepted Answer

descriptiv

Question 7

The O in the DCOVA framework stands for "operationalize".

Accepted Answer

A) True 
 B)False

Question 8

The Commissioner of Health in New York State wanted to study malpractice litigation in New York.A sample of 31 thousand medical records was drawn from a population of 2.7 million patients who were discharged during 2010.Using the information obtained from the sample to predict population characteristics with respect to malpractice litigation is an example of .

Accepted Answer

inferentia

Question 9

The Human Resources Director of a large corporation wishes to develop an employee benefits package and decides to select 500 employees from a list of all (N = 40,000)workers in order to study their preferences for the various components of a potential package.In this study,methods that result in decisions concerning population characteristics based only on the sample results are called .

Accepted Answer

inferentia

Question 10

The A in the DCOVA framework stands for "apply".

Accepted Answer

A) True 
 B)False

Question 11

Using the number of registered voters who turned out to vote for the primary in Iowa to predict the number of registered voters who will turn out to vote in Vermont's primary is an example of descriptive statistics.

Accepted Answer

A) True 
 B)False

Question 12

Managers need an understanding of statistics to be able to present and describe information accurately,draw conclusions about large populations based on small samples,improve processes,and make reliable forecasts.

Accepted Answer

A) True 
 B)False

Question 13

A professor computed the sample average exam score of 20 students and used it to estimate the average exam score of the 1,500 students taking the exam.This is an example of inferential statistics.

Accepted Answer

A) True 
 B)False

Question 14

The D in the DCOVA framework stands for "define".

Accepted Answer

A) True 
 B)False

Question 15

Which of the following is true about business analytics?

Accepted Answer

A) It enables you to use statistical methods to analyze and explore data to uncover unforeseen relationships. 
B) It enables you to use management science methods to develop optimization models that impact an organization's strategy,planning,and operations. 
C) It enables you to use complex mathematics to replace the need for organizational decision making and problem solving. 
D) It enables you to use information systems methods to collect and process data sets of all sizes. 
A) It enables you to use statistical methods to analyze and explore data to uncover unforeseen relationships. 
B) It enables you to use management science methods to develop optimization models that impact an organization's strategy,planning,and operations. 
C) It enables you to use complex mathematics to replace the need for organizational decision making and problem solving. 
D) It enables you to use information systems methods to collect and process data sets of all sizes.

The D in the DCOVA framework stands for "data".

Compiling the number of registered voters who turned out to vote for the primary in Iowa is an example of descriptive statistics.

Business analytics combine "traditional" statistical methods with methods and techniques from management science and information systems to form an interdisciplinary tool that supports fact-based management decision making.

The estimation of the population average family expenditure on food based on the sample average expenditure of 1,000 families is an example of

The O in the DCOVA framework stands for "operationalize".

The A in the DCOVA framework stands for "apply".

Using the number of registered voters who turned out to vote for the primary in Iowa to predict the number of registered voters who will turn out to vote in Vermont's primary is an example of descriptive statistics.

Managers need an understanding of statistics to be able to present and describe information accurately,draw conclusions about large populations based on small samples,improve processes,and make reliable forecasts.

A professor computed the sample average exam score of 20 students and used it to estimate the average exam score of the 1,500 students taking the exam.This is an example of inferential statistics.

The D in the DCOVA framework stands for "define".

Which of the following is true about business analytics?

Defining and Collecting Data

Organizing and Visualizing Variables

Numerical Descriptive Measures

Basic Probability

Discrete Probability Distributions

The Normal Distribution and Other Continuous Distributions

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric Tests

Simple Linear Regression

Introduction to Multiple Regression

Multiple Regression Model Building

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Statistical Applications in Quality Management

Decision Making

Binomial Distribution and Normal Approximation

Filters

Exam 21: Getting Started: Important Things to Learn First

The D in the DCOVA framework stands for "data".

Compiling the number of registered voters who turned out to vote for the primary in Iowa is an example of descriptive statistics.

Business analytics combine "traditional" statistical methods with methods and techniques from management science and information systems to form an interdisciplinary tool that supports fact-based management decision making.

The estimation of the population average family expenditure on food based on the sample average expenditure of 1,000 families is an example of

The O in the DCOVA framework stands for "operationalize".

The A in the DCOVA framework stands for "apply".

Using the number of registered voters who turned out to vote for the primary in Iowa to predict the number of registered voters who will turn out to vote in Vermont's primary is an example of descriptive statistics.

Managers need an understanding of statistics to be able to present and describe information accurately,draw conclusions about large populations based on small samples,improve processes,and make reliable forecasts.

A professor computed the sample average exam score of 20 students and used it to estimate the average exam score of the 1,500 students taking the exam.This is an example of inferential statistics.

The D in the DCOVA framework stands for "define".

Which of the following is true about business analytics?

Defining and Collecting Data

Organizing and Visualizing Variables

Numerical Descriptive Measures

Basic Probability

Discrete Probability Distributions

The Normal Distribution and Other Continuous Distributions

Sampling Distributions

Confidence Interval Estimation

Fundamentals of Hypothesis Testing: One-Sample Tests

Two-Sample Tests

Analysis of Variance

Chi-Square and Nonparametric Tests

Simple Linear Regression

Introduction to Multiple Regression

Multiple Regression Model Building

Time-Series Forecasting

Business Analytics

A Roadmap for Analyzing Data

Statistical Applications in Quality Management

Decision Making

Binomial Distribution and Normal Approximation

Filters