Question 1

Affinity grouping determine which things go together.

Accepted Answer

Affinity grouping determine which things go together.

Question 2

Unstructured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Accepted Answer

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Question 3

Clustering assigns records to one of a predefined set of classes.

Accepted Answer

Classification assigns records to one of a predefined set of classes.

Question 4

Unstructured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Accepted Answer

Structured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Question 5

Human-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Accepted Answer

Human-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Question 6

Machine-generated unstructured data includes satellite images, scientific atmosphere data, and radar data.

Accepted Answer

Machine-generated unstructured data includes satellite images, scientific atmosphere data, and radar data.

Question 7

Estimation determine which things go together.

Accepted Answer

Affinity grouping determine which things go together.

Question 8

Human-generated unstructured data includes text messages, social media data, and emails.

Accepted Answer

Human-generated unstructured data includes text messages, social media data, and emails.

Question 9

Machine-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Accepted Answer

Human-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Question 10

Classification assigns records to one of a predefined set of classes.

Accepted Answer

Classification assigns records to one of a predefined set of classes.

Question 11

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Accepted Answer

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Question 12

Machine-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.

Accepted Answer

Machine-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.

Question 13

Structured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Accepted Answer

Structured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Question 14

Unstructured data is not defined, does not follow a specified format, and is typically freeform text such as emails, Twitter tweets, and text messages.Unstructured data accounts for about 80 percent of the data that surrounds us.

Accepted Answer

Unstructured data is not defined, does not follow a specified format, and is typically freeform text such as emails, Twitter tweets, and text messages.Unstructured data accounts for about 80 percent of the data that surrounds us.

Question 15

Affinity determines values for an unknown continuous variable behavior or estimated future value.

Accepted Answer

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Question 16

Classification segments a heterogeneous population of more homogeneous subgroups.

Accepted Answer

Clustering segments a heterogeneous population of more homogeneous subgroups.

Question 17

Clustering segments a heterogeneous population of more homogeneous subgroups.

Accepted Answer

Clustering segments a heterogeneous population of more homogeneous subgroups.

Question 18

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Accepted Answer

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Question 19

Optimization is a statistical process for estimating the relationships among variables.

Accepted Answer

Regression is a statistical process for estimating the relationships among variables.It includes many techniques for modeling and analyzing several variables when the focus is on the relationship between a dependent variable and one or more independent variables

Question 20

Human-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.

Accepted Answer

Machine-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.

Quiz 6: Data: Business Intelligence

Affinity grouping determine which things go together.

Unstructured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Clustering assigns records to one of a predefined set of classes.

Unstructured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Human-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Machine-generated unstructured data includes satellite images, scientific atmosphere data, and radar data.

Estimation determine which things go together.

Human-generated unstructured data includes text messages, social media data, and emails.

Machine-generated data is data that humans, in interaction with computers, generate.Human-generated structured data includes input data, click-stream data, or gaming data.

Classification assigns records to one of a predefined set of classes.

Structured data has a defined length, type, and format and includes numbers, dates, or strings such as Customer Address.

Machine-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.

Structured data is typically stored in a traditional system such as a relational database or spreadsheet and accounts for about 20 percent of the data that surrounds us.

Unstructured data is not defined, does not follow a specified format, and is typically freeform text such as emails, Twitter tweets, and text messages.Unstructured data accounts for about 80 percent of the data that surrounds us.

Affinity determines values for an unknown continuous variable behavior or estimated future value.

Classification segments a heterogeneous population of more homogeneous subgroups.

Clustering segments a heterogeneous population of more homogeneous subgroups.

Estimation determines values for an unknown continuous variable behavior or estimated future value.

Optimization is a statistical process for estimating the relationships among variables.

Human-generated data is created by a machine without human intervention.Machine-generated structured data includes sensor data, point-of-sale data, and web log (blog) data.