1
STT 200 Exam 1 Questions with Answers (100% Correct
Answers)
Personal or Subjective Study Answer: the degree to which a given
individual believes that the event A will happen
Long Term Relative Frequency Answer: The proportion 'A' occurs if a
random experiment (circumstance) is reported many, many times
The Law of Large Numbers Answer: when observations of a
proportion are independent, the sample proportion approaches the
overall proportion as the number of observations gets larger
Raw Data Answer: Information that has been collected but has not yet
been processed
Categorical Answer: Variable places an individual or item into one of
several groups of categories, which are called levels
Numerical Answer: Variable takes on a wider ranger of numerical
values. Other names:
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Measurement Variable
Quantitative Variable
Simple Random Sampling Answer: every member of the population
has an equal probability of being selected for the sample
Stratified Sampling Answer: a variation of random sampling; the
population is divided into subgroups and weighted based on
demographic characteristics of the national population
Cluster Sampling Answer: A probability sampling technique in which
clusters of participants within the population of interest are selected at
random, followed by data collection from all individuals in each
cluster.
Systematic Sampling Answer: select some starting point and then
select every Kth element in the population
Selection Bias Answer: occurs if the method for selecting the
participants produces a sample that does not represent the population
of interest
© 2025 All rights reserved
STT 200 Exam 1 Questions with Answers (100% Correct
Answers)
Personal or Subjective Study Answer: the degree to which a given
individual believes that the event A will happen
Long Term Relative Frequency Answer: The proportion 'A' occurs if a
random experiment (circumstance) is reported many, many times
The Law of Large Numbers Answer: when observations of a
proportion are independent, the sample proportion approaches the
overall proportion as the number of observations gets larger
Raw Data Answer: Information that has been collected but has not yet
been processed
Categorical Answer: Variable places an individual or item into one of
several groups of categories, which are called levels
Numerical Answer: Variable takes on a wider ranger of numerical
values. Other names:
© 2025 All rights reserved
, 2
Measurement Variable
Quantitative Variable
Simple Random Sampling Answer: every member of the population
has an equal probability of being selected for the sample
Stratified Sampling Answer: a variation of random sampling; the
population is divided into subgroups and weighted based on
demographic characteristics of the national population
Cluster Sampling Answer: A probability sampling technique in which
clusters of participants within the population of interest are selected at
random, followed by data collection from all individuals in each
cluster.
Systematic Sampling Answer: select some starting point and then
select every Kth element in the population
Selection Bias Answer: occurs if the method for selecting the
participants produces a sample that does not represent the population
of interest
© 2025 All rights reserved
