Questions and Answers of Business Analytics Data

A data scientist at Sweet Bayou Airlines (SBA) wants to analyze data related to SBA’s flight 494, which departs daily from Shreveport for Nashville at 8:47 a.m. To facilitate this analysis, the
A realtor who flips houses (purchases and remodels them with the goal of reselling them for profit) has collected data on a variety of house characteristics and selling prices for a sample of 1,198
A study on factors that may be related to the number of weeks a person has been jobless has been conducted in Cheyenne and Memphis. The data collected in Cheyenne are provided in the file
In a recent study on risk factors for strokes, the American Heart Association (AHA) collected data on age, systolic blood pressure, diastolic blood pressure, and risk of stroke; risk is interpreted
Car manufacturer Lexus competes in the luxury car category and is known for its quality. The decision to compete on quality rather than low cost is an example of what type of decision: strategic,
Every day, logistics companies such as United Parcel Service (UPS) must decide how to route their trucks, that is, the order in which to deliver the packages that have been loaded on a truck. UPS
JetBlue is a major U.S. airline that ranked seventh in the U.S. in 2021 based on number of passengers carried. JetBlue has 270 aircraft and services 104 destinations. Consider three decisions below
Consider again the ORION system discussed in problem 2. Is ORION an example of descriptive, predictive, or prescriptive analytics?Explain.Problem 2Every day, logistics companies such as United Parcel
A control chart is a graphical tool to help determine if a process may be exhibiting non-random variation that needs to be investigated.If non-random variation is present, the process is said to be
An example of a response from Amazon when this textbook you are reading was chosen online follows. It indicates that some people who purchased this text also tended to purchase The World Is Flat,
Human resource (HR) analytics or people analytics are terms used for the use of analytics to manage a company’s workforce. Google, Microsoft, and Walmart, for example, use people analytics to help
A supermarket has been experiencing long lines during peak periods of the day. The problem is noticeably worse on certain days of the week, and the peak periods are sometimes different according to
Setting the right price for a product is an important business decision. If the product is priced too high, the demand could be very low.Set the price too low, demand may be high, but we are
The following table contains a partial list of countries, the continents on which they are located, and their respective gross domestic products (GDPs) in U.S. dollars. A list of 125 countries and
Ohio Logistics manages the logistical activities for firms by matching companies that need products shipped with carriers that can provide the best rates and best service for the companies. Ohio
A partial relative frequency distribution is given.a. What is the relative frequency of class D?b. The total sample size is 200.What is the frequency of class D?c. Show the frequency distribution.d.
In a study of how chief executive officers (CEOs) spend their days, it was found that CEOs spend an average of about 18 hours per week in meetings, not including conference calls, business meals, and
Consumer complaints are frequently reported to the Better Business Bureau (BBB). Industries with the most complaints to the BBB are often banks, cable and satellite television companies, collection
Based on the total passenger traffic, the airports in the following list are the 25 busiest airports in the world in 2021 (Airports Council International website).a. Which is busiest airport in the
The minimum age to volunteer at the Vancouver Aquarium in Vancouver, British Columbia is 14 years old. The data below displays the ages of potential volunteers who have expressed interest in working
Consider the following frequency distribution.Construct a cumulative frequency distribution. Bin Frequency 10-19 10 20-29 14 30-39 40-49 17 7 50-59 2
A military base in the United States is examining the distribution of the amount of time that officers on the base have been in the military. The following data show the years of military service for
University endowments are financial assets that are donated by supporters to be used to provide income to universities. There is a large discrepancy in the size of university endowments. The
A sample of 10,001 federal income tax returns with errors has been collected by the Internal Revenue Service (IRS) for analysis. A portion of the data is shown in the table below, and the full data
Suppose that you initially invested $$10,000$ in the Stivers mutual fund and $$5,000$ in the Trippi mutual fund. The value of each investment at the end of each subsequent year is provided in the
The average time that Americans commute to work is 27.7 minutes(Sterling’s Best Places). The average commute times in minutes for 48 cities follows.a. What is the mean commute time for these 48
Suppose that the average waiting time for a patient at a physician’s office is just over 29 minutes. To address the issue of long patient wait times, some physicians’ offices are using
According to the National Education Association (NEA), teachers generally spend more than 40 hours each week working on instructional duties. The following data show the number of hours worked per
Companies considering purchasing ads during televised XFL football games in the United States are interested in the viewership of games as a way of estimating the exposure their ads get. The file
Return to the waiting times given for the physician’s office in Problem 20.a. Considering only offices without a wait-tracking system, what is the z-score for the 10th patient in the sample (wait
The results of a national survey showed that on average adults sleep 6.9 hours per night. Suppose that the standard deviation is 1.2 hours and that the number of hours of sleep follows a bell-shaped
The Graduate Management Admission Test (GMAT) is a standardized exam used by many universities as part of the assessment for admission to graduate study in business. The average GMAT score is 547
Five observations taken for two variables follow.a. Develop a scatter chart with x on the horizontal axis.b. What does the scatter chart developed in part a indicate about the relationship between
The scatter chart in the following figure was created using sample data for profits and market capitalizations from a sample of firms in the Fortune 500.a. Discuss what the scatter chart indicates
The economic downturn in 2008–2009 resulted in the loss of jobs and an increase in delinquent loans for housing. In projecting where the real estate market was headed in the coming year, economists
Predicting Delayed Flights. The file FlightDelays . jmp contains information on all commercial flights departing the Washington, DC area and arriving at New York during January 2004. For each flight
Predicting Prices of Used Cars (Regression Trees). The file ToyotaCorolla.jmp contains the data on used cars (Toyota Corolla) on sale during late summer of 2004 in The Netherlands. It has 1436
Predicting Used Car Prices (Bootstrap Forest and Boosted Trees). Return to the Toyota Corolla data, and refit the partition model. (Hint: Use the recall button in the partition dialog). This time,
Predicting Flight Delays (Bootstrap Forest and Boosted Trees). We return to the flight delays data for this exercise, and fit both a bootstrap forest and a boosted tree to the data. Use scheduled
Credit Card Use. Consider the following hypothetical bank data on consumers' use of credit card credit facilities in Table 11.3 . Create JMP data, and create a neural network like that used for the
Car Sales. Consider again the data on used cars (ToyotaCorolla.jmp) with 1436 records and details on 38 attributes, including Price, Age, KM, HP, and other specifications. The goal is to predict the
Statistical distance between records can be measured in several ways. Consider Euclidean distance, measured as the square root of the sum of the squared differences. For the first two records in
The dataset ToyotaCorolla.jmp contains data on used cars on sale during the late summer of 2004 in the Netherlands. It has 1436 records containing details on 38 attributes, including Price, Age,
Describe specific types of questions asked in marketing for a specific company of your choice that might require descriptive, diagnostic, predictive, prescriptive, and adaptive/autonomous analytics,
Using the HackUsNow.xlsx data, create a data visualization in Tableau to answer the question “Which location has the most hacks?”
The dataset HackUsNow.xlsx includes an additional column labeled Computer Age that has not been analyzed yet. Ask a question related to Computer Age and hacks. Then create a data visualization in
How does the use of pivot tables differ between descriptive analytics and diagnostic analytics? Provide an example.
DJI Mavic is attempting to understand its sales and cost structure to allocate appropriate personnel to its sales force. Download the DJI Mavic Drone Sales Journal data set in Excel. Note the sales
SkyDio is attempting to understand its sales and cost structure to understand its overall profitability in relation to each sale. Download the SkyDio Drone Sales Journal data set in Excel. Note the
Which of the following is not part of operations?a. Advertisingb. Integrating information technologyc. Ordering raw materialsd. Scheduling production
Let’s examine the Dell computer order process. A customer places an online order for a computer and then pays for the order. After the order is placed and paid for, Dell orders the parts, vendors
A chief information officer (CIO) is the corporate executive in charge of the strategy and implementation of the company’s IT. In other words, the CIO is in charge of all IT personnel, processes,
A realtor is analyzing the relationship between the sale price of a house (Price in $), its square footage (Sqft), the number of bedrooms (Beds), the number of bathrooms (Baths), and a Colonial dummy
The accompanying data file includes monthly data on the personal savings rate (Savings in %) and the personal disposable income (Income in $ billions) in the U.S.a. Estimate the linear model Savings
Consider the accompanying data file to estimate the logistic regression model for predicting college admission (Admit equals 1 if admitted, 0 otherwise). Predictor variables include the applicant’s
An investor seeking to gain from the positive momentum of a company’s stock price analyzes 53 weeks of stock price data. The accompanying file includes the data.a. Estimate and interpret the linear
A county has been battling COVID for the last few months. The accompanying data file includes the daily number of new COVID cases in this county for six weeks. It is known that the number of COVID
A venture capitalist is considering investing in five different startups that conduct research for developing and improving all-electric and hybrid vehicular technologies. The first two startups
At a disaster and emergency relief operation, volunteers are needed 24 hours a day to support many activities such as search and rescue, first aid and basic medical services, and preparation of food
Given all the advanced technologies presented in this chapter, what skills will employers be looking for in new hires?
Which of the following is NOT true of a smart contract?a. It is a legal contract between members of the blockchain.b. It is programmed into the blockchain.c. It is self-executing based on met
Instead of paper or electronic tickets, some airlines now want to use your face as a boarding pass. At the 20 largest airports in the United States, the U.S. Customs and Border Protection Agency is
Bitcoin is an application of:a. Artificial intelligence.b. Blockchain.c. Machine learning.d. Neural networks.
A company has work sites all over a large city. The company pays employees based on the number of hours worked on the sites. The company also has valuable assets at each work site. How could the
How is voice analytics different than the natural language processing technology behind Amazon’s Alexa and Apple’s Siri?
A good candidate for robotic process automation is a task with a:a. High number of exceptions.b. High volume of processed data.c. Low number of human errors.d. Process that changes frequently.
How could visual analytics help retailers make product recommendations to customers?
Kuki is an example of:a. An AI-based chatbot.b. AIOps.c. A robo-adviser.d. A a rules-based chatbot.
What term means using market signals to predict customer demand for the next 10 to 18 months to manage production operations and inventory?a. Data miningb. Demand planningc. Fintechd. Predictive
How can chatbots be used to automate the supply chain?
Which of the following items would be considered strong AI?a. A robot that can beat the best human chess player in the world.b. A robot that can perform a bank reconciliation of millions of
Companies typically use leases to rent property, buildings, and equipment. A lease is based on a lease agreement, which a legal contract between two parties. The tax law determines how the lease
Which type of technology is based on the human brain?a. Artificial neural networksb. Blockchainc. Data miningd. Website scraping
AI can develop a personal network for banking customers (specifically, all the entities associated with a customer) to help identify potential money laundering. When conducting a financial statement
The types of business analytics are not related.a. Falseb. True
Describe how the first four types of analytics are related to the fifth type, adaptive autonomous analytics.
Which type of analytics answers the question “What action(s) should we take?”a. Adaptive/autonomousb. Descriptivec. Diagnosticd. Predictivee. Prescriptive
Match the branch of operations (Human Resources, IT Operations, Supply Chain) to the operations questions. Operations Question How many minutes of downtime did the company website have last
Which of the following collects data at remote points and transmits the data to monitoring equipment?a. Fill rateb. Operations dashboardc. Supply chaind. Telemetry
A human resource management (HRM) system can be set up to include information about a (potential) employee from the person’s public social media activity including likes/dislikes and tweets. Do you
Business analysts can use regression to assess the relationship between variables and to predict future dependent-variable outcome values based on a given independent variable. For the following
If an executive wanted to see more detailed information about a KPI on a dashboard, which feature would be helpful?a. Drill aroundb. Drill downc. Drill throughd. Drill up
How can companies use telemetry to gather information about employees? Do you believe that it is ethical for companies to use telemetry in this manner? Why or why not?
A scatterplot shows relationships between variables. The following scatterplot graphs the relationship between number of users in the system and system response time. Correlation determines the
Describe how companies can analyze the digital footprint left by employees.
Match the analytics type (descriptive, diagnostic, predictive, or prescriptive) and branch of operations (Human Resources, IT Operations, Supply Chain) to the analytics technique used. Analytics
Data visualization should help companies understand how they are performing. The following data visualization was designed to answer this question: “How many thousands of shirts of each color were
How many new employees were hired during the year?” is a question that can be answered by:a. Descriptive analytics.b. Diagnostic analytics.c. Predictive analytics.d. Prescriptive analytics
Assume that a company has standard operating hours of Monday through Friday, 8 a.m. to 5 p.m. What would be the concern if an employee is entering transactions at 3 a.m. on the weekend? How could a
Data visualizations should clearly present information. Evaluate the clarity of the following data visualization, which answers the question: “How far can different modes of transportation go on
Match the Excel menu option (Data Analysis or Solver) to the analytics technique used. Analytics Technique Used Optimization t-test Regression Profit maximization Cost minimization Excel Menu
“Why has the number of minutes of downtime for our websites increased from last year?” is a question that can be answered by:a. Descriptive analytics.b. Diagnostic analytics.c. Predictive
The Regression option of the Excel Analysis ToolPak was used to determine the relationship between total cost and production units. The results are shown below. What is the regression equation? How
“How many active users will be using the enterprise system in three years?” is a question that can be answered by:a. Descriptive analytics.b. Diagnostic analytics.c. Predictive analytics.d.
Select a branch of operations analytics. Decide which KPIs you would like to see on a dashboard. Identify a target audience and design an appropriate dashboard layout. Provide a rationale for your
This chapter presented some forecasts created in Tableau. How are forecasts differentiated from the actual data?a. Bolded lines are used for forecasts.b. Dashed lines are used for forecasts.c.
Evaluate the design of this data visualization for the hiring process. Total Applications: 13 Ghosted: 5 Final Round: 2 Phone Interview: 1 Coding Challenge Received: 5 Ghosted after Coding Challenge:
Why would a company want to evaluate the IT operations KPI of unsolved tickets per IT service desk employee? How could a company use a KPI equal to the number of unsolved tickets divided by the
“Which employees need to go to training to improve their productivity?” is a question that can be answered by:a. Descriptive analytics.b. Diagnostic analytics.c. Predictive analytics.d.
How could a company use a sensitivity report for the Solver Add-In to improve shipping operations?

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