Business analytics exam quiz and
answers graded A+
Business analysis - ANS✅✅the process of using statistical analysis to drive business decisions from
data
Data table - ANS✅✅a table used to organize data
Data - ANS✅✅values with a context
Cases - ANS✅✅the rows of a data table; tells who/or what the data is from
context - ANS✅✅ideally tells who was measured, what was measured, how the data were
collected, where the data was collected, and when and why the study was performed
variable - ANS✅✅the characteristics recorded about each individual or case; usually shown as
columns in data table
variables identify.. - ANS✅✅WHAT has been measured
categorical variable - ANS✅✅data is recorded in categories; may only be yes or no; either nominal
or ordinal
quantitative variable - ANS✅✅a variable has measured numerical values with UNITS and variable
tells us about the quantity of what is measured; must have units!
What type of variable is age? - ANS✅✅it can be either; depends on WHY we are collecting the
data
-if age is measured in years it is quantitative; may be used for finding the average age of customers
-age is categorical if it is in categories like child, teen, adult
nominal variable - ANS✅✅categorical variables used only to name categories (that don't have
order)
answers graded A+
Business analysis - ANS✅✅the process of using statistical analysis to drive business decisions from
data
Data table - ANS✅✅a table used to organize data
Data - ANS✅✅values with a context
Cases - ANS✅✅the rows of a data table; tells who/or what the data is from
context - ANS✅✅ideally tells who was measured, what was measured, how the data were
collected, where the data was collected, and when and why the study was performed
variable - ANS✅✅the characteristics recorded about each individual or case; usually shown as
columns in data table
variables identify.. - ANS✅✅WHAT has been measured
categorical variable - ANS✅✅data is recorded in categories; may only be yes or no; either nominal
or ordinal
quantitative variable - ANS✅✅a variable has measured numerical values with UNITS and variable
tells us about the quantity of what is measured; must have units!
What type of variable is age? - ANS✅✅it can be either; depends on WHY we are collecting the
data
-if age is measured in years it is quantitative; may be used for finding the average age of customers
-age is categorical if it is in categories like child, teen, adult
nominal variable - ANS✅✅categorical variables used only to name categories (that don't have
order)
