Stats Module 1 Vocab

Question 1

Variable

Answer 1

Characteristic of the individual to be measured

Question 2

Quantitative Variable

Answer 2

Has a numerical measurement for which addition or average makes sense

Question 3

Qualitative Variable

Answer 3

Describes an individual by placing them into a category

Question 4

Random Sample

Answer 4

A collection of n individuals from a population, where each individual has an equal opportunity to be selected

Question 5

Nominal Level of Measurement

Answer 5

Applies to data that consists of names, labels, or categories

Question 6

Ordinal Level of Measurement

Answer 6

Applies to data that can be arranged in order. The order cannot be meaningless

Question 7

Observational Study

Answer 7

Measurements of individuals are conducted in such a way that does not change the response or variable being measured

Question 8

Cluster Sample

Answer 8

Selecting a sample based on location

Question 9

Experimental Study

Answer 9

A treatment is deliberately imposed on individuals in order to observe a possible change in response of the variable being tested

Question 10

Systematic Sampling

Answer 10

A sample wherever nth individual is selected

Question 11

Statistic

Answer 11

A numerical measure that describes an aspect of a sample

Question 12

Parameter

Answer 12

Measurement of a population

Question 13

Confounding Variable

Answer 13

A variable where no data is collected but affects the outcome of an experiment

Question 14

Sampling Error

Answer 14

The difference between measurements of the sample and the corresponding measurement of the population

Question 15

Stratified Sampling

Answer 15

Sampling drawn based on a characteristic or trait