Intro Vocabulary

Question 1

Element

Answer 1

Specific entity about which info is collected.

Question 2

Variable

Answer 2

Characteristic of an element that can assume different values for different elements.

Question 3

Observation

Answer 3

The set of values of the variables for a given element.

Question 4

Descriptive Statistics

Answer 4

The methods for summarizing and organizing the information in a data set.

Question 5

Variable

Answer 5

Any characteristic of an element.

Question 6

Qualitative Variable

Answer 6

A variable that may be classified into categories. These variables are also called “categorical variables”.

Question 7

Quantitative Data

Answer 7

A variable that takes on numerical values upon which arithmetic operations may be meaningfully performed.

Question 8

Discrete Variable (Subset of Quantitative Variable)

Answer 8

Can take a finite or countable number of values.

Question 9

Continuous Variable (Subset of Quantitative Variable)

Answer 9

Can take infinitely many values, forming an interval on the number line.

Question 10

Population

Answer 10

A collection of all elements of interest in a particular study.

Question 11

Parameter

Answer 11

Characteristic of a population.

Question 12

Sample

Answer 12

Subset of the population from which information is collected.

Question 13

Statistic

Answer 13

Characteristic of a sample.