Terms

Question 1

Population

Answer 1

The group being studied

Question 2

Sample

Answer 2

The portion of the population data is taken from

Question 3

Data

Answer 3

Collected numbers and information

Question 4

Variable

Answer 4

Types of data collected

Question 5

Parameter

Answer 5

A generalization or truth about an entire population

Question 6

Statistic

Answer 6

The exact reading of the data from the sample group

Question 7

Random Sampling

Answer 7

A sample taken from a population completely randomly

Question 8

Stratified Sampling

Answer 8

A sample taken proportionally from a variety of groups after the population has been divided into said groups

Question 9

Cluster Sampling

Answer 9

Dividing a population into groups and then sampling the entirety of some of those groups

Question 10

Systematic Sampling

Answer 10

Sampling every Nth member of a population

Question 11

Convenience Sampling

Answer 11

Sampling the most readily available group

Question 12

Quota Sampling

Answer 12

Sampling population members with a specific trait

Question 13

Observational Study

Answer 13

A study in which sampling is done with no controls, only observation

Question 14

Experimental Study

Answer 14

A study in which certain variables are controlled for

Question 15

Sampling Error

Answer 15

Error caused by the sample not actually being the entire population

Question 16

Non-sampling Error

Answer 16

Errors caused by factors outside of the sampling

Question 17

Bias

Answer 17

Opinions interfering with the results

Question 18

Sampling Bias

Answer 18

Samples chosen with an accidental or purposeful bias

Question 19

Outlier

Answer 19

A data point that is significantly different from all other data points

Question 20

Qualitative Data

Answer 20

Data denoting qualities and non-numeric properties

Question 21

Quantitative data

Answer 21

Numeric data

Question 22

Continuous Data

Answer 22

Data that could include any real numbers, does not include counts such as how many people wear blue

Question 23

Discrete Data

Answer 23

Data that can be represented by only whole numbers

Question 24

Nominal Scale

Answer 24

Un-ordered, qualitative data

Question 25

Ordinal Scale

Answer 25

Ordered, qualitative data

Question 26

Interval Scale

Answer 26

Quantitative data with no set starting point

Question 27

Ratio Scale

Answer 27

Quantitative data with a set starting point

Question 28

Level of measurement

Answer 28

The scale being used

Question 29

Explanatory Variable

Answer 29

The independent variable

Question 30

Treatment

Answer 30

The values of the explanatory variable

Question 31

Response Variable

Answer 31

Dependent Variable

Question 32

Lurking Variable

Answer 32

A variable that affects the outcome but is not part of the experiment

Question 33

Control Group

Answer 33

The group that receives the placebo treatment

Question 34

Placebo Treatment

Answer 34

A null treatment

Question 35

Blinding

Answer 35

Not allowing the participants or data collectors to know the treatments of each group

Question 36

Double Blind Experiment

Answer 36

Blinding both the participants and data collectors