BSAN FINAL EXAM 2025 QUESTIONS
AND ANSWERS
Using analytics can reduce healthcare costs by identifying subgroups of Humana members that
are at high risk of falling and managing their fall risks. - ANS True
Many assessment methods to identify fallers already exist. Why is a new model needed? -
ANS Existing methods have limited reach and lack sufficient predictive power.
Which of the following is least relevant as a practical challenge for implementation of BI? -
ANS Highly variable consumer prices
A business analyst builds a model to determine how many staff are needed in a call center to
ensure 98% of customers receive a response within two minutes. What type of analytics is this?
- ANS Prescriptive
A business analyst builds a model to determine the chance that a customer who buys a t-shirt
will also buy sunglasses. What type of analytics is this? - ANS Predictive
True or False: Decision support systems are the latest evolution of Business Intelligence,
combining big analytics with social network and social media analytics. - ANS False
Which of the following is not an example of transaction processing? - ANS Sales report
What type of analytics helps managers understand what is happening in the organization by
visualizing trends and patterns in data? - ANS Descriptive
1 @COPYRIGHT THEBRIGHT 2025/2026
,What type of analytics seeks to forecast the future/unknown values of outcomes of interest
using past and current available data? - ANS Predictive
Suppose we use characteristics of first year undergraduate students such as age, gender, major,
location, and workout/sports activities, in order to target support services and reduce the rate
of dropping out. What type of analytics application would this be? - ANS Prescriptive
analytics
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
Which chart type would be most helpful to show the trend of worldwide annual turnover rate
over time? - ANS Line Chart
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
Which chart type would be most helpful to show thee distribution and skewness of tech sector
annual turnover rate? - ANS Histogram
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
2 @COPYRIGHT THEBRIGHT 2025/2026
,Which chart type below would be most helpful to show the relative proportions of annual
turnover rate of different sub-sectors (e.g., computer games, computer software and other)? -
ANS Pie Chart
Which of the following is always true for a histogram but typically not true for a bar chart? -
ANS The horizontal axis represents a numerical variable
If an observation lies just outside the whisker +1.5 IQR in a boxplot, what is the best
interpretation for the point? - ANS Unusual but not abnormal/concerning
Which characteristic of data requires that variables and data valus be sufficiently detailed for
the intended use? - ANS Granularity
Suppose the average time to treatment for patients that arrive to the Emergency Department is
on target, but the standard deviation of waiting time is high. What is the most likely negative
consequence of this? - ANS Some patients will have to wait too long before treatment
True or False: Descriptive statistics is about describing the sample data on hand, such as most
likely values, extreme values, and spread - ANS True
True or False: Structured data represents organized data sources such as visual, text, and web
content - ANS False
____ is a measure of central tendency, which is the sum of all the values/observations divided
by the number of observations in the data set - ANS Mean
________ _________ is calculated by taking the square root of the variance - ANS Standard
deviation
3 @COPYRIGHT THEBRIGHT 2025/2026
, Which type of data visualization method can be helpful when the intention is to show relative
proportions of dollars per department allocated by a university administration? - ANS Pie
chart
Which type of data visualization method can be helpful when the intention is to show
relationship between time spent working out per week (in hours) and average amount of sleep
an individual gets per week (in hours)? - ANS Scatterplot
Which type of data visualization method can be helpful when the intention is to show the
distribution of annual salary at the Research and Development department of a health tech
company? - ANS Histogram
Historical data shows that the mean starting annual salary at a given department of a company
is 95K and the median is 118K. Which of the following statements is true? - ANS Starting
annual salary is negatively skewed, in other words there are a few employees that have much
lower starting annual salaries than the majority of the employees
Peloton is an American exercise equipment company founded in 2012. their signature product,
the Peloton bike, is a high-end indoor bicycle with a Wi-Fi-enabled touchscreen tablet that
streams live and on-demand classes. According to available data, the company has sold more
than 550,000 bikes and treadmills since 2013.
Mia, a business analyst and an active new mom who is just back from a break from exercise has
been considering buying an exercise bike. Before making the purchase decision she gathers
data from multiple sources to analyze features from of Peloton and its main competitors. While
the raw data includes key features such as price, class types, usability, and market share, it
requires preprocessing before any meaningful analysis can be conducted.
Which of the following data preprocessing activity/activities that Mia conducts would fall under
data transformation? - ANS Derive new variables from the existing ones using mathematical
functions
Peloton is an American exercise equipment company founded in 2012. their signature product,
the Peloton bike, is a high-end indoor bicycle with a Wi-Fi-enabled touchscreen tablet that
4 @COPYRIGHT THEBRIGHT 2025/2026
AND ANSWERS
Using analytics can reduce healthcare costs by identifying subgroups of Humana members that
are at high risk of falling and managing their fall risks. - ANS True
Many assessment methods to identify fallers already exist. Why is a new model needed? -
ANS Existing methods have limited reach and lack sufficient predictive power.
Which of the following is least relevant as a practical challenge for implementation of BI? -
ANS Highly variable consumer prices
A business analyst builds a model to determine how many staff are needed in a call center to
ensure 98% of customers receive a response within two minutes. What type of analytics is this?
- ANS Prescriptive
A business analyst builds a model to determine the chance that a customer who buys a t-shirt
will also buy sunglasses. What type of analytics is this? - ANS Predictive
True or False: Decision support systems are the latest evolution of Business Intelligence,
combining big analytics with social network and social media analytics. - ANS False
Which of the following is not an example of transaction processing? - ANS Sales report
What type of analytics helps managers understand what is happening in the organization by
visualizing trends and patterns in data? - ANS Descriptive
1 @COPYRIGHT THEBRIGHT 2025/2026
,What type of analytics seeks to forecast the future/unknown values of outcomes of interest
using past and current available data? - ANS Predictive
Suppose we use characteristics of first year undergraduate students such as age, gender, major,
location, and workout/sports activities, in order to target support services and reduce the rate
of dropping out. What type of analytics application would this be? - ANS Prescriptive
analytics
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
Which chart type would be most helpful to show the trend of worldwide annual turnover rate
over time? - ANS Line Chart
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
Which chart type would be most helpful to show thee distribution and skewness of tech sector
annual turnover rate? - ANS Histogram
LinkedIn data shows that job retention is a challenge in every industry. Especially in the tech
sector, worldwide annual turnover rate changes year by year with values between 10 to 14
percent turnover rate depending on the year. Within the tech sector, different sub-sectors also
show differences with regards to job retention. Sectors such as the computer games and
computer software industries drive tech turnover the most compared to other sectors.
2 @COPYRIGHT THEBRIGHT 2025/2026
,Which chart type below would be most helpful to show the relative proportions of annual
turnover rate of different sub-sectors (e.g., computer games, computer software and other)? -
ANS Pie Chart
Which of the following is always true for a histogram but typically not true for a bar chart? -
ANS The horizontal axis represents a numerical variable
If an observation lies just outside the whisker +1.5 IQR in a boxplot, what is the best
interpretation for the point? - ANS Unusual but not abnormal/concerning
Which characteristic of data requires that variables and data valus be sufficiently detailed for
the intended use? - ANS Granularity
Suppose the average time to treatment for patients that arrive to the Emergency Department is
on target, but the standard deviation of waiting time is high. What is the most likely negative
consequence of this? - ANS Some patients will have to wait too long before treatment
True or False: Descriptive statistics is about describing the sample data on hand, such as most
likely values, extreme values, and spread - ANS True
True or False: Structured data represents organized data sources such as visual, text, and web
content - ANS False
____ is a measure of central tendency, which is the sum of all the values/observations divided
by the number of observations in the data set - ANS Mean
________ _________ is calculated by taking the square root of the variance - ANS Standard
deviation
3 @COPYRIGHT THEBRIGHT 2025/2026
, Which type of data visualization method can be helpful when the intention is to show relative
proportions of dollars per department allocated by a university administration? - ANS Pie
chart
Which type of data visualization method can be helpful when the intention is to show
relationship between time spent working out per week (in hours) and average amount of sleep
an individual gets per week (in hours)? - ANS Scatterplot
Which type of data visualization method can be helpful when the intention is to show the
distribution of annual salary at the Research and Development department of a health tech
company? - ANS Histogram
Historical data shows that the mean starting annual salary at a given department of a company
is 95K and the median is 118K. Which of the following statements is true? - ANS Starting
annual salary is negatively skewed, in other words there are a few employees that have much
lower starting annual salaries than the majority of the employees
Peloton is an American exercise equipment company founded in 2012. their signature product,
the Peloton bike, is a high-end indoor bicycle with a Wi-Fi-enabled touchscreen tablet that
streams live and on-demand classes. According to available data, the company has sold more
than 550,000 bikes and treadmills since 2013.
Mia, a business analyst and an active new mom who is just back from a break from exercise has
been considering buying an exercise bike. Before making the purchase decision she gathers
data from multiple sources to analyze features from of Peloton and its main competitors. While
the raw data includes key features such as price, class types, usability, and market share, it
requires preprocessing before any meaningful analysis can be conducted.
Which of the following data preprocessing activity/activities that Mia conducts would fall under
data transformation? - ANS Derive new variables from the existing ones using mathematical
functions
Peloton is an American exercise equipment company founded in 2012. their signature product,
the Peloton bike, is a high-end indoor bicycle with a Wi-Fi-enabled touchscreen tablet that
4 @COPYRIGHT THEBRIGHT 2025/2026
