Statistics Exam 1 Study Guide: Key Formulas &
Practice.
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14
, Statistics Exam 1 Study Guide: Key Formulas &
Practice.
1. making judgements and decisions about complex phe- statistics
nomenon
2. records gathered by conducting research such data
as sur- veys, interviews, content analysis, or
experiments
unit of analysis
3. the level at which you analyze the data
ex. individuals, households, school, cities,
countries, etc.
UT-Austin Students
4. A researcher wants to know whether having
a job lowers one's GPA among UT-Austin
students and have collected survey data for this
question. What is the unit of analysis?*
Longhorn Football
5. A Longhorn football fan wants to know the games
average points scored in all Longhorn football
games. What is the unit of analysis?*
6. include (almost) every unit of interest for a studypopulation data
7. include only a subset of the population of interest sample data
8. gives less accurate information but cheaper and sample data
thus more common
9. gives the most accurate information about the population data
popu- lation but are rare, very expensive to
collect
UT undergraduate stu-
10. A sociologist wants to study the exercise dents + sample data
frequency of UT undergraduate students.
What is their population of interest and should
they collect population or sam- ple data?*
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14
Practice.
1/
14
, Statistics Exam 1 Study Guide: Key Formulas &
Practice.
1. making judgements and decisions about complex phe- statistics
nomenon
2. records gathered by conducting research such data
as sur- veys, interviews, content analysis, or
experiments
unit of analysis
3. the level at which you analyze the data
ex. individuals, households, school, cities,
countries, etc.
UT-Austin Students
4. A researcher wants to know whether having
a job lowers one's GPA among UT-Austin
students and have collected survey data for this
question. What is the unit of analysis?*
Longhorn Football
5. A Longhorn football fan wants to know the games
average points scored in all Longhorn football
games. What is the unit of analysis?*
6. include (almost) every unit of interest for a studypopulation data
7. include only a subset of the population of interest sample data
8. gives less accurate information but cheaper and sample data
thus more common
9. gives the most accurate information about the population data
popu- lation but are rare, very expensive to
collect
UT undergraduate stu-
10. A sociologist wants to study the exercise dents + sample data
frequency of UT undergraduate students.
What is their population of interest and should
they collect population or sam- ple data?*
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14
