STA 610 Midterm Exam 2025 – Complete
Study Guide & Practice Questions REAL
EXAM!!!
A ______ is an entire collection of objects about which information is desired. - ANSWER ✔---
Population
"All such patients with Parkinson's" is an example of a sample or population? - ANSWER ✔---
population
A _____ is a subset of a population, objects from which we actually obtain info or data. -
ANSWER ✔---sample
"N= 195 patients recruited" is an example of a sample or population? - ANSWER ✔---sample
A ______ is a list of some or all the population members from which the sample is down; our 'practical
population.' - ANSWER ✔---sampling Fram
A ______ is number that describes a characteristic of the population; its value is generally unknown. -
ANSWER ✔---parameter
The value of a statistic is generally used to estimate the value of the corresponding _____. -
ANSWER ✔---parameter
, A ______ is a number that describes a characteristic of the sample; its value can be calculated from the
sample data. - ANSWER ✔---statistic
A _______ study is an examination of data from past or current information. In a _____ study,
individuals are followed over a period of time. - ANSWER ✔---retrospective; prospective
Cross-sectional studies (subjects measured at a snapshot in time) are considered ______ studies.
(retrospective or prospective) - ANSWER ✔---retrospective
A ______ is a characteristic of an individual (not group) in the population or sample. - ANSWER ✔---
variable
Categorical vs numeric variables - ANSWER ✔---categorical: qualitative, defines an attribute of
quality
numeric: quantitative, tells how much or how many (#)
discrete numerical data - ANSWER ✔---possible values are isolated points, whole number data is
'counted'
Continuous (numerical) data - ANSWER ✔---result from infinitely many possible values, data that is
'measured' ex. BMI, age, weight
nominal scale - ANSWER ✔---measurement in which numbers are assigned to objects or classes of
objects solely for the purpose of identification; no logical order
ordinal scale - ANSWER ✔---A scale of measurement using ranks rather than actual numbers,
precise differences between the ranks do not exist
interval scale - ANSWER ✔---A quantitative measurement scale that has no "true zero," and in which
the numerals represent equal intervals (distances) between levels
Study Guide & Practice Questions REAL
EXAM!!!
A ______ is an entire collection of objects about which information is desired. - ANSWER ✔---
Population
"All such patients with Parkinson's" is an example of a sample or population? - ANSWER ✔---
population
A _____ is a subset of a population, objects from which we actually obtain info or data. -
ANSWER ✔---sample
"N= 195 patients recruited" is an example of a sample or population? - ANSWER ✔---sample
A ______ is a list of some or all the population members from which the sample is down; our 'practical
population.' - ANSWER ✔---sampling Fram
A ______ is number that describes a characteristic of the population; its value is generally unknown. -
ANSWER ✔---parameter
The value of a statistic is generally used to estimate the value of the corresponding _____. -
ANSWER ✔---parameter
, A ______ is a number that describes a characteristic of the sample; its value can be calculated from the
sample data. - ANSWER ✔---statistic
A _______ study is an examination of data from past or current information. In a _____ study,
individuals are followed over a period of time. - ANSWER ✔---retrospective; prospective
Cross-sectional studies (subjects measured at a snapshot in time) are considered ______ studies.
(retrospective or prospective) - ANSWER ✔---retrospective
A ______ is a characteristic of an individual (not group) in the population or sample. - ANSWER ✔---
variable
Categorical vs numeric variables - ANSWER ✔---categorical: qualitative, defines an attribute of
quality
numeric: quantitative, tells how much or how many (#)
discrete numerical data - ANSWER ✔---possible values are isolated points, whole number data is
'counted'
Continuous (numerical) data - ANSWER ✔---result from infinitely many possible values, data that is
'measured' ex. BMI, age, weight
nominal scale - ANSWER ✔---measurement in which numbers are assigned to objects or classes of
objects solely for the purpose of identification; no logical order
ordinal scale - ANSWER ✔---A scale of measurement using ranks rather than actual numbers,
precise differences between the ranks do not exist
interval scale - ANSWER ✔---A quantitative measurement scale that has no "true zero," and in which
the numerals represent equal intervals (distances) between levels
