QMB EXAM 1
pimary data - Answer-data collected by you
secondary data - Answer-data collected by someone else
types of data (variables) - Answer-categorical data
quantitative data
categorical (qualitative) data - Answer-data descrived using categories (words)
2 types of categorical data - Answer-nominal, ordinal
nominal data (most categorical data) - Answer-categorical data that has no order or sequence
ordinal data (rare) - Answer-categorical data that has a meaningful order or sequence
ex: grade of gas
quantitative data - Answer-data described using meaninful numbers
, four types of quantitative data - Answer-ratio
interval
discrete
continuous
ratio (most) - Answer-where zero means there is none
interval - Answer-zero doesnt mean there is none
ex: temperature, ph scale
discrete - Answer-data that are countable
continuous - Answer-data that are measurable
cross-sectional data - Answer-data gathered at a single point in time
ex: student is aked their age, gpa, and major
time series data - Answer-data that is gathered over time
ex:statistician tracks gpa of student of colege years
population data - Answer-every single person or thing we are interested in
ex: all fsu students
sample - Answer-randomly selected subset of a population
pimary data - Answer-data collected by you
secondary data - Answer-data collected by someone else
types of data (variables) - Answer-categorical data
quantitative data
categorical (qualitative) data - Answer-data descrived using categories (words)
2 types of categorical data - Answer-nominal, ordinal
nominal data (most categorical data) - Answer-categorical data that has no order or sequence
ordinal data (rare) - Answer-categorical data that has a meaningful order or sequence
ex: grade of gas
quantitative data - Answer-data described using meaninful numbers
, four types of quantitative data - Answer-ratio
interval
discrete
continuous
ratio (most) - Answer-where zero means there is none
interval - Answer-zero doesnt mean there is none
ex: temperature, ph scale
discrete - Answer-data that are countable
continuous - Answer-data that are measurable
cross-sectional data - Answer-data gathered at a single point in time
ex: student is aked their age, gpa, and major
time series data - Answer-data that is gathered over time
ex:statistician tracks gpa of student of colege years
population data - Answer-every single person or thing we are interested in
ex: all fsu students
sample - Answer-randomly selected subset of a population
