Test 1

Question 1

The term ______ describe data sets so large that traditional method of storage and analysis are inadequate

Answer 1

Big Data

Question 2

Data collected for recording the companies transactions is called __________

Answer 2

Transactional data

Question 3

The process of using transactional data to make other decisions and predictions is called ____________

Answer 3

Data Mining or predictive analytics

Question 4

The five W’s?

Answer 4

Who 
What
When 
Where 
Why

Question 5

Data are often organized into a ______

Answer 5

Data table

Question 6

The rows of a data table corresponds to individual _______

Answer 6

Cases

Question 7

Individuals who answer a survey

Answer 7

Respondents

Question 8

People in an experiment

Answer 8

Subjects or participants

Question 9

Animal, plants, websites, or other inanimate object

Answer 9

Experimental units

Question 10

The characteristics decided about each individual or cases are called _______

Answer 10

Variables

Question 11

Two or more separate data tables are linked together in a _______ so that information can be merged across them

Answer 11

Relational database

Question 12

When a variable has measured numerical values with units and the variable tells us about the quantity of what is measured it is called _____________

Answer 12

Quantitative variable

Question 13

When a variable names categories and answers questions about how cases fall into those categories it’s called a __________ or ________

Answer 13

Categorical or qualitative variable