MATH 110 -STATISTICS EXAM WITH
CORRECT ANSWERS 2025
Data ( correct answers ) collections of
observations ex. measurements, genders, survey
responses, etc
Statistics ( correct answers ) The science of planning studies &
experiments, obtaining data then organizing, summarizing, presenting,
analyzing, interpreting, & drawing conclusions based on that data.
Making inferences/generalizations about a population
Population ( correct answers ) complete collection of all individuals to be
studied ex. measurements, scores, people
Census ( correct answers ) collection of data from every member
of the population, collecting data from all individuals
Sample ( correct answers ) a subcollection of members selected
from a population
data mush be collected through random selection, must be
representative of the population
Main idea of statistics: ( correct answers ) concept of data, source of data,
sampling method, drawing conclusions, coming up w practical implications.
Learning to make sense of the data provided
context ( correct answers ) a description of what the values represent,
there they came from & why they were collected. It is specific descriptions
for the data provided
Always consider the context of data, ... ( correct answers )
it affects the statistical analysis that
should be used
Some sources of data are.. ( correct answers ) objective or biased & is not
always reliable
The sampling method you choose can greatly influence..
( correct answers ) the validity of your
conclusions
Samples may have.. ( correct answers ) bias & are not always valid
, voluntary response sample (aka self-selected sample)( correct wher
answers ) respondents decide whether or not to be included in the e
survey/sample
ex. internet surveys, surveys by mail, surveys by phone
practical implications ( correct answers ) drawing a sensible conclusion from
your results
statistical significance: ( correct answers ) statistically there's a
difference, the thing is you may have insignificant results
Practical significance.. ( correct answers ) focuses more on practicality &
common sense, something more realistic
statistical thinking ( correct answers ) the ability to see the big picture &
consider relevant factors such as context, source of data & sampling to
method to form conclusions & identify practical implications. Involved
critical thinking & the ability to make sense of results
Parameter (type of data) ( correct answers ) a numerical measurement
describing some characteristic of a population
Statistic (type of data) ( correct answers ) a numerical measurement
describing some characteristic of a sample
Quantitative data ( correct answers ) numerical data, based on #'s,
representing counts or measurements
ex. dollars, hours, feet, meters, minutes, seconds
Categorical/Qualitative data( correct data that is not
answers ) represents counts or measures numerical &
ex. data consisting of names, attributes, etc
Quantitative data types: ( correct answers ) discrete data & continuous
data
discrete data ( correct numerical data where the # of possible
answers ) a finite/"countable" values is
#, whole #'s
ex. 1,2,3,4,5,...
continuous data ( correct answers ) numerical data where the # of possible
values is an infinite/"non-countable" #. Continuous #'s
Infinite values that correspond to a continuous scale that covers a
range of values without gaps, interruptions, or jumps.
The data keeps going, it's never-ending
ex. cows make milk that may come out to 2.345107 gallons, they can't
produce exactly 2 gallons of milk
CORRECT ANSWERS 2025
Data ( correct answers ) collections of
observations ex. measurements, genders, survey
responses, etc
Statistics ( correct answers ) The science of planning studies &
experiments, obtaining data then organizing, summarizing, presenting,
analyzing, interpreting, & drawing conclusions based on that data.
Making inferences/generalizations about a population
Population ( correct answers ) complete collection of all individuals to be
studied ex. measurements, scores, people
Census ( correct answers ) collection of data from every member
of the population, collecting data from all individuals
Sample ( correct answers ) a subcollection of members selected
from a population
data mush be collected through random selection, must be
representative of the population
Main idea of statistics: ( correct answers ) concept of data, source of data,
sampling method, drawing conclusions, coming up w practical implications.
Learning to make sense of the data provided
context ( correct answers ) a description of what the values represent,
there they came from & why they were collected. It is specific descriptions
for the data provided
Always consider the context of data, ... ( correct answers )
it affects the statistical analysis that
should be used
Some sources of data are.. ( correct answers ) objective or biased & is not
always reliable
The sampling method you choose can greatly influence..
( correct answers ) the validity of your
conclusions
Samples may have.. ( correct answers ) bias & are not always valid
, voluntary response sample (aka self-selected sample)( correct wher
answers ) respondents decide whether or not to be included in the e
survey/sample
ex. internet surveys, surveys by mail, surveys by phone
practical implications ( correct answers ) drawing a sensible conclusion from
your results
statistical significance: ( correct answers ) statistically there's a
difference, the thing is you may have insignificant results
Practical significance.. ( correct answers ) focuses more on practicality &
common sense, something more realistic
statistical thinking ( correct answers ) the ability to see the big picture &
consider relevant factors such as context, source of data & sampling to
method to form conclusions & identify practical implications. Involved
critical thinking & the ability to make sense of results
Parameter (type of data) ( correct answers ) a numerical measurement
describing some characteristic of a population
Statistic (type of data) ( correct answers ) a numerical measurement
describing some characteristic of a sample
Quantitative data ( correct answers ) numerical data, based on #'s,
representing counts or measurements
ex. dollars, hours, feet, meters, minutes, seconds
Categorical/Qualitative data( correct data that is not
answers ) represents counts or measures numerical &
ex. data consisting of names, attributes, etc
Quantitative data types: ( correct answers ) discrete data & continuous
data
discrete data ( correct numerical data where the # of possible
answers ) a finite/"countable" values is
#, whole #'s
ex. 1,2,3,4,5,...
continuous data ( correct answers ) numerical data where the # of possible
values is an infinite/"non-countable" #. Continuous #'s
Infinite values that correspond to a continuous scale that covers a
range of values without gaps, interruptions, or jumps.
The data keeps going, it's never-ending
ex. cows make milk that may come out to 2.345107 gallons, they can't
produce exactly 2 gallons of milk
