STAT 2510 EXAM 1 - AUBURN
UNIVERSITY EXAM QUESTIONS AND
ANSWERS GRADED A+ 2026
Statistics - ANS process of collecting, analyzing, and interpreting data
descriptive and inferential - ANS name the two types of statistics
descriptive - ANS type of statistics that consists of methods for organizing and summarizing
information
descriptive - ANS what kind of statistics uses graphs, charts, tables, averages, percentiles, and
has intrinsic values
descriptive - ANS baseball stats (W/L average, batting average) are an example of what type
of statistics?
inferential - ANS type of statistics that draws conclusions and makes predictions
inferential - ANS political polling is an example of this type of statistics
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, population - ANS collection of individuals or items under consideration in a statistical study
sample - ANS part of population from which information is obtained
census - ANS way to collect data; obtaining information from each member of the population
(this is very timely and expensive, it isn't done often)
sampling - ANS way to collect data; observing characteristics from a subset of the population
(we want that subset to closely reflect the relevant characteristics)
experiment - ANS way to collect data; imposing conditions and controls
probability sampling - ANS technique/method giving all individuals in the population an
equally likely chance of being selected
simple random sampling - ANS each sample of a given size is equally likely to be the sample
selected because each individual is equally likely to be selected
with replacement - ANS simple random sampling that does not usually involve people
without replacement - ANS simple random sampling that is most common
random number generation - ANS usually a table or software; with or without replacement;
used to obtain simple random sample
variable - ANS a characteristic that is liable to change among items/individuals
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
UNIVERSITY EXAM QUESTIONS AND
ANSWERS GRADED A+ 2026
Statistics - ANS process of collecting, analyzing, and interpreting data
descriptive and inferential - ANS name the two types of statistics
descriptive - ANS type of statistics that consists of methods for organizing and summarizing
information
descriptive - ANS what kind of statistics uses graphs, charts, tables, averages, percentiles, and
has intrinsic values
descriptive - ANS baseball stats (W/L average, batting average) are an example of what type
of statistics?
inferential - ANS type of statistics that draws conclusions and makes predictions
inferential - ANS political polling is an example of this type of statistics
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
1
, population - ANS collection of individuals or items under consideration in a statistical study
sample - ANS part of population from which information is obtained
census - ANS way to collect data; obtaining information from each member of the population
(this is very timely and expensive, it isn't done often)
sampling - ANS way to collect data; observing characteristics from a subset of the population
(we want that subset to closely reflect the relevant characteristics)
experiment - ANS way to collect data; imposing conditions and controls
probability sampling - ANS technique/method giving all individuals in the population an
equally likely chance of being selected
simple random sampling - ANS each sample of a given size is equally likely to be the sample
selected because each individual is equally likely to be selected
with replacement - ANS simple random sampling that does not usually involve people
without replacement - ANS simple random sampling that is most common
random number generation - ANS usually a table or software; with or without replacement;
used to obtain simple random sample
variable - ANS a characteristic that is liable to change among items/individuals
@COPYRIGHT 2026/2027 ALL RIGHTS RESERVED
2
