Introductory Statistics &
Analytics – Study Guide,
Data Analysis, Practice
Questions & Answers
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, STATISTICS Study of collecting, organizing, analyzing, interpreting, and presenting data.
ANALYTICS The use of data and statistical methods to gain insights and support decisions.
STATISTICAL-ANALYSIS PROCESS The process of using data to investigate a question or problem, analyze the data,
and interpret the results.
DESCRIPTIVE STATISTICS Methods used to summarize and describe the data that have been collected.
INFERENTIAL STATISTICS Methods used to use sample data to make conclusions or generalizations about a
larger population.
POPULATION The complete group of individuals or objects that a researcher is interested in
studying.
SAMPLE A subset of a population that is actually observed or measured.
VARIABLE A characteristic or measurement that can take different values for different
observations.
CATEGORICAL VARIABLE A variable that places observations into categories or groups.
NUMERICAL VARIABLE A variable that represents quantities and has numerical values.
STRUCTURED DATA Data organized in a defined format, such as rows and columns in a spreadsheet or
database.
UNSTRUCTURED DATA Data that does not follow a predefined structure, such as text, images, audio, or
video.
Analytics – Study Guide,
Data Analysis, Practice
Questions & Answers
Updated Questions and Answers
100% Verified Exam Prep and Comprehensive
Rationales
Included
, STATISTICS Study of collecting, organizing, analyzing, interpreting, and presenting data.
ANALYTICS The use of data and statistical methods to gain insights and support decisions.
STATISTICAL-ANALYSIS PROCESS The process of using data to investigate a question or problem, analyze the data,
and interpret the results.
DESCRIPTIVE STATISTICS Methods used to summarize and describe the data that have been collected.
INFERENTIAL STATISTICS Methods used to use sample data to make conclusions or generalizations about a
larger population.
POPULATION The complete group of individuals or objects that a researcher is interested in
studying.
SAMPLE A subset of a population that is actually observed or measured.
VARIABLE A characteristic or measurement that can take different values for different
observations.
CATEGORICAL VARIABLE A variable that places observations into categories or groups.
NUMERICAL VARIABLE A variable that represents quantities and has numerical values.
STRUCTURED DATA Data organized in a defined format, such as rows and columns in a spreadsheet or
database.
UNSTRUCTURED DATA Data that does not follow a predefined structure, such as text, images, audio, or
video.
