Stats 1 Definitions

What is the definition of a population?

The complete set of all items or individuals of interest

What is the definition of census?

A survey or investigation that observes or measure every single member of a population

What is the definition of a sample?

A selection of observations taken from a subset of the population used to find out information about the whole population

What is the definition of sampling unit?

An individual unit or element of a population that can be sampled

What is the definition of sampling frame?

A list, or databse, of all the individual sampling units within a population

What is the definition of quantitative data?

Data associated with numerical observations

What is the definition of qualitative data?

Data associated with non-numerical observations

What is the definition of continuous data?

Data that can take any numerical value within a given range

What is the definition of discrete data?

Data that can only take specific values within a given range

What is the definition of mode?

the value or class that occurs most frequently in the dataset

What is the definition of median?

The middle value of a dataset when it is arranged in ascending order

What is the definition of mean?

The average of a dataset, found by summing all values and dividing by the total number of observations

What is the definition of outlier?

An extreme value that falls outside the normal range of the rest of the data

What is the definition of sample space?

The complete set of all possible outcomes of an experiment

What is the definition of mutually exclusive events?

Events that cannot occur at the same time

What is the definition of independent events?

Events where the occurrence of one event does not affect the probability of the other occurring

What is the definition of binomial distribution?

A discrete probability distribution representing the number of successes in a fixed number of independent trials