Comprehensive STAT 201 Exam 1 Review Key
Concepts and Formulas questions and answers
Graded A+
What are the two main types of statistics? - ✅✅Descriptive statistics and
inferential statistics
What is a population in statistics? - ✅✅All the subjects of interest ( all or every)
What is a sample in statistics? - ✅✅A subset of the population ( "a sample
of...", "a survey of...", "a subset of...")
What are numerical summaries from a population called? - ✅✅Parameters
What are numerical summaries from a sample called? - ✅✅Statistics
What type of data represents categories? - ✅✅Categorical data
What type of data represents counts or measurements? - ✅✅Quantitative data
What is discrete quantitative data? - ✅✅Data that represents counts
What is continuous quantitative data? - ✅✅Data that represents
measurements
, How can you distinguish between variable types? - ✅✅By determining if the
values are numbers and if they are counts or measurements
What keyword indicates discrete quantitative data? - ✅✅The number of ...
What keyword indicates continuous quantitative data? - ✅✅Measurements
that could contain a decimal
What is the purpose of inferential statistics? - ✅✅To make predictions about a
population when not all data is available
What is the difference between discrete and continuous variables? -
✅✅Discrete variables take on distinct values, while continuous variables can
take on any value within a range.
What type of table is used for one categorical variable? - ✅✅Summary table
What type of table is used for two categorical variables? - ✅✅Contingency
table
What type of graph is used to represent categorical data? - ✅✅Pie Chart, Bar
Graph, or Pareto Chart
What is a frequency table? - ✅✅A table that displays the frequency of each
value in a dataset, including relative frequency, percentage, and cumulative
percentage.
Concepts and Formulas questions and answers
Graded A+
What are the two main types of statistics? - ✅✅Descriptive statistics and
inferential statistics
What is a population in statistics? - ✅✅All the subjects of interest ( all or every)
What is a sample in statistics? - ✅✅A subset of the population ( "a sample
of...", "a survey of...", "a subset of...")
What are numerical summaries from a population called? - ✅✅Parameters
What are numerical summaries from a sample called? - ✅✅Statistics
What type of data represents categories? - ✅✅Categorical data
What type of data represents counts or measurements? - ✅✅Quantitative data
What is discrete quantitative data? - ✅✅Data that represents counts
What is continuous quantitative data? - ✅✅Data that represents
measurements
, How can you distinguish between variable types? - ✅✅By determining if the
values are numbers and if they are counts or measurements
What keyword indicates discrete quantitative data? - ✅✅The number of ...
What keyword indicates continuous quantitative data? - ✅✅Measurements
that could contain a decimal
What is the purpose of inferential statistics? - ✅✅To make predictions about a
population when not all data is available
What is the difference between discrete and continuous variables? -
✅✅Discrete variables take on distinct values, while continuous variables can
take on any value within a range.
What type of table is used for one categorical variable? - ✅✅Summary table
What type of table is used for two categorical variables? - ✅✅Contingency
table
What type of graph is used to represent categorical data? - ✅✅Pie Chart, Bar
Graph, or Pareto Chart
What is a frequency table? - ✅✅A table that displays the frequency of each
value in a dataset, including relative frequency, percentage, and cumulative
percentage.
