DATA ANALYTICS STUDY GUIDE 2026
COMPREHENSIVE QUESTIONS AND
ANSWERS
◉two of the most important things you can do in business
intelligence are _________________, to predict what's likely to happen
next, and to ___________________. Answer: find trends, flag anomalies
◉___________________ is what makes business intelligence possible.
Answer: Data science
◉___________________ really shows to the best extent how data science
can be used to make practical decisions that make organizations
function more effectively and more efficiently. Answer: Business
intelligence
◉we have open-source programming languages like _________________
that make more rigorous data analysis inexpensive and relatively
easy as well. Answer: R and Python
,◉we can convey key performance indicators of our business to
____________, ______________, _____________ using dashboards. Answer:
executives, management, and employees
◉we can convey complex information about our business to a wider
audience using _____________ that allow users to rapidly consume and
digest data Answer: infographics
◉analytics answers what has happened in the past. Answer:
Descriptive
◉________________ data is information that is gathered in non-
numerical form that is typically ___________ and may be recoded to try
and quantify its meaning. Answer: Qualitative, descriptive
◉________________ data includes things such as: summaries of written
comments on customer cards collected from suggestion boxes at
stores, results from interviews of store managers by an outside
consultant, a paragraph taken from an employee's self-evaluation on
a performance review. Answer: Qualitative
◉Data is made up of a set of ______________, the individual units being
measured. Answer: Observations
,◉The ____________ is the middle number in a series that is arranged
from smallest to largest. Answer: median
◉The ________________ is the most commonly occurring number in the
dataset. Answer: mode
◉The fact that the _________ is not close to the ________ or the __________
tells us the distribution of scores are skewed. The scores are not
evenly distributed around the ________. Answer: average, median,
mode, mean
◉The _______ and the _________ inform a user of the central points in
skew of the data. Answer: mean, median
◉If the mean and the median are fairly close to each other means we
likely have some type of ________________________ Answer: normal
distribution
◉____________________ attempts to determine which future events are
the most likely. Answer: Predictive analytics
◉The standard deviation
measures:___________________________________________________________________
_________________________ Answer: how close to the mean is the overall
sample.
, ◉If we have a large standard deviation, that means that a great deal
of data lies ___________ away from the ________. Answer: further, mean
◉__________________________ is often used as a way to put standard
deviations into perspective. Answer: The 68, 95, 99 rule
◉Keenly observing standard deviations for a dataset can give us
insight on __________________ and
____________________________________________________________. Answer: the
spread of the data, an idea of how we should interpret the statistics
◉The ____________________ are the ones who have the ultimate control
over the success for your project. Answer: stakeholders
◉When you're planning your data project, try to _____________________
that will allow you to leverage the data you currently have. Answer:
construct questions
◉Once you've determined what data is at your disposal, then you
__________________________________________. Answer: ask actionable and
detailed questions
◉Your questions must be aligned with ______________________, which
vary depending on your target audience. Answer: strategic goals
COMPREHENSIVE QUESTIONS AND
ANSWERS
◉two of the most important things you can do in business
intelligence are _________________, to predict what's likely to happen
next, and to ___________________. Answer: find trends, flag anomalies
◉___________________ is what makes business intelligence possible.
Answer: Data science
◉___________________ really shows to the best extent how data science
can be used to make practical decisions that make organizations
function more effectively and more efficiently. Answer: Business
intelligence
◉we have open-source programming languages like _________________
that make more rigorous data analysis inexpensive and relatively
easy as well. Answer: R and Python
,◉we can convey key performance indicators of our business to
____________, ______________, _____________ using dashboards. Answer:
executives, management, and employees
◉we can convey complex information about our business to a wider
audience using _____________ that allow users to rapidly consume and
digest data Answer: infographics
◉analytics answers what has happened in the past. Answer:
Descriptive
◉________________ data is information that is gathered in non-
numerical form that is typically ___________ and may be recoded to try
and quantify its meaning. Answer: Qualitative, descriptive
◉________________ data includes things such as: summaries of written
comments on customer cards collected from suggestion boxes at
stores, results from interviews of store managers by an outside
consultant, a paragraph taken from an employee's self-evaluation on
a performance review. Answer: Qualitative
◉Data is made up of a set of ______________, the individual units being
measured. Answer: Observations
,◉The ____________ is the middle number in a series that is arranged
from smallest to largest. Answer: median
◉The ________________ is the most commonly occurring number in the
dataset. Answer: mode
◉The fact that the _________ is not close to the ________ or the __________
tells us the distribution of scores are skewed. The scores are not
evenly distributed around the ________. Answer: average, median,
mode, mean
◉The _______ and the _________ inform a user of the central points in
skew of the data. Answer: mean, median
◉If the mean and the median are fairly close to each other means we
likely have some type of ________________________ Answer: normal
distribution
◉____________________ attempts to determine which future events are
the most likely. Answer: Predictive analytics
◉The standard deviation
measures:___________________________________________________________________
_________________________ Answer: how close to the mean is the overall
sample.
, ◉If we have a large standard deviation, that means that a great deal
of data lies ___________ away from the ________. Answer: further, mean
◉__________________________ is often used as a way to put standard
deviations into perspective. Answer: The 68, 95, 99 rule
◉Keenly observing standard deviations for a dataset can give us
insight on __________________ and
____________________________________________________________. Answer: the
spread of the data, an idea of how we should interpret the statistics
◉The ____________________ are the ones who have the ultimate control
over the success for your project. Answer: stakeholders
◉When you're planning your data project, try to _____________________
that will allow you to leverage the data you currently have. Answer:
construct questions
◉Once you've determined what data is at your disposal, then you
__________________________________________. Answer: ask actionable and
detailed questions
◉Your questions must be aligned with ______________________, which
vary depending on your target audience. Answer: strategic goals
