Statistics 8 – 1.1 Individuals and Variables
Explained (2025 Study Guide) REAL
EXAM!!!
Population - ANSWER ✔---Entire group of individuals about which we want information. Portion of
this is called a "sample".
Individuals - ANSWER ✔---are the objects described by a set of data. Individuals may be people, but
they may also be animals, plants, or things.
A categorical variable - ANSWER ✔---places an individual into one of several groups or categories
A quantitative variable - ANSWER ✔---takes numerical values for which arithmetic operations such
as adding and averaging make sense. The values of a quantitative variable are usually recorded in a unit
of measurement such as seconds or kilograms.
continuous variables - ANSWER ✔---can take any real numerical value over an interval. (ex - stem
length)
Discrete variables - ANSWER ✔---are quantitative variables that can take only a limited, finite
number of values, like the number of petals in a flower
Explained (2025 Study Guide) REAL
EXAM!!!
Population - ANSWER ✔---Entire group of individuals about which we want information. Portion of
this is called a "sample".
Individuals - ANSWER ✔---are the objects described by a set of data. Individuals may be people, but
they may also be animals, plants, or things.
A categorical variable - ANSWER ✔---places an individual into one of several groups or categories
A quantitative variable - ANSWER ✔---takes numerical values for which arithmetic operations such
as adding and averaging make sense. The values of a quantitative variable are usually recorded in a unit
of measurement such as seconds or kilograms.
continuous variables - ANSWER ✔---can take any real numerical value over an interval. (ex - stem
length)
Discrete variables - ANSWER ✔---are quantitative variables that can take only a limited, finite
number of values, like the number of petals in a flower
