Variables
are the characteristics of the individuals of the population being studied.
What is a characteristic of a population called?
While
a parameter
is a characteristic of a population, a statistic is a characteristic of a sample. Inferential statistics enables you to make an educated guess about a population parameter based on a statistic computed from a sample randomly drawn from that population.
What is the population being studied?
The whole group that is being studied. A sample in a research study is a relatively small number of individuals about whom information is obtained. The
larger group to whom the information is then
generalized is the population.
What is a subset of the population that is being studied?
The subset of the population from which data are actually gathered is
the sample
. A sample should be selected from a population randomly, otherwise it may be prone to bias.
What is a characteristic of an individual in statistics?
• Sample is a subset of the population. o Descriptive Statistics: Describing your sample when interpreting your data.
Variables
are characteristics of individuals.
What two things increase a population?
The two factors that increase the size of a population are
natality
, which is the number of individuals that are added to the population over a period of time due to reproduction, and immigration, which is the migration of an individual into a place.
What is the root word of population?
Population means the number of people in a geographic area. … The word population––and also the word populace––derive from the
Latin populus, “people
.” To remember that population is connected to people, think about the words popular, populist, pop culture, pop music.
Is a subset or part of the population?
In simple terms, a population is the total number of observations (i.e., individuals, animals, items, data, etc.) contained in a given group or context.
A sample
, in other words, is a portion, part, or fraction of the whole group, and acts as a subset of the population.
Is data is a subset of the population studied?
The subset of the population from which data are actually gathered is
the sample
. A sample should be selected from a population randomly, otherwise it may be prone to bias. Our goal is to obtain a sample that is representative of the population.
Which one of the following is used to estimate the population mean?
The most fundamental
point and interval estimation
What are individuals in stats examples?
Individuals are
the people or objects included in the study
. A variable is the characteristic of the individual to be measured or observed. For example, if we want to do a study about the people who have climbed Mt. Everest, then the individuals in the study are the actual people who made it to the top.
What is an individual in a study?
Individual Study is designed for
students who are prepared to study at an advanced level
, have already completed basic work in the classroom, have the ability to work independently, and are prepared to develop their own syllabus for the quarter.
What 2 characteristics do we look for in a statistic?
The population mean and standard deviation
are two common parameters. In statistics, Greek symbols usually represent population parameters
What are the 4 factors that influence population size?
Population growth is based on four fundamental factors:
birth rate, death rate, immigration, and emigration
.
What are the elements of population?
Common elements of population composition include
age, sex, and ethnicity
, but there are others as well. Researchers often compile data on age and sex into charts, called population pyramids, that help us understand population growth.
What are the 5 most densely populated countries?
Macao, Monaco, Singapore, Hong Kong and Gibraltar
are the five most densely populated.
