MATH 110 INTRODUCTION TO STATISTICS
STUDY GUIDE 2026 ACTUAL EXAM
QUESTIONS GRADED A+
◉ Statistics. Answer: 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. Answer: complete collection of all individuals to be
studied
ex. measurements, scores, people
◉ Census. Answer: collection of data from every member of the
population, collecting data from all individuals
◉ Sample. Answer: 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:. Answer: concept of data, source of data,
sampling method, drawing conclusions, coming up w practical
implications. Learning to make sense of the data provided
◉ context. Answer: 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, .... Answer: it affects the
statistical analysis that should be used
◉ Some sources of data are... Answer: objective or biased & is not
always reliable
◉ The sampling method you choose can greatly influence... Answer: the
validity of your conclusions
◉ Samples may have... Answer: bias & are not always valid
◉ voluntary response sample (aka self-selected sample). Answer: where
respondents decide whether or not to be included in the survey/sample
ex. internet surveys, surveys by mail, surveys by phone
STUDY GUIDE 2026 ACTUAL EXAM
QUESTIONS GRADED A+
◉ Statistics. Answer: 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. Answer: complete collection of all individuals to be
studied
ex. measurements, scores, people
◉ Census. Answer: collection of data from every member of the
population, collecting data from all individuals
◉ Sample. Answer: 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:. Answer: concept of data, source of data,
sampling method, drawing conclusions, coming up w practical
implications. Learning to make sense of the data provided
◉ context. Answer: 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, .... Answer: it affects the
statistical analysis that should be used
◉ Some sources of data are... Answer: objective or biased & is not
always reliable
◉ The sampling method you choose can greatly influence... Answer: the
validity of your conclusions
◉ Samples may have... Answer: bias & are not always valid
◉ voluntary response sample (aka self-selected sample). Answer: where
respondents decide whether or not to be included in the survey/sample
ex. internet surveys, surveys by mail, surveys by phone
