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BUNDLE:::::::WGU D204:DATA ANALYTICS EXAMS|2023/24 LATEST UPDATE|GRADED A+|GUARANTEED SUCCESS
BUNDLE:::::::WGU D204:DATA ANALYTICS EXAMS|2023/24 LATEST UPDATE|GRADED A+|GUARANTEED SUCCESS
[Show more]BUNDLE:::::::WGU D204:DATA ANALYTICS EXAMS|2023/24 LATEST UPDATE|GRADED A+|GUARANTEED SUCCESS
[Show more]Proof by Exhaustion 
Prove the statement by checking each element individually. Unlike proof by cases, exhaustive proof looks at every case in a way that is not general. 
 
 
 
Proof by Counterexample 
Used to disprove a universal statement. For example, to disprove the statement, "All prime number...
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Add to cartProof by Exhaustion 
Prove the statement by checking each element individually. Unlike proof by cases, exhaustive proof looks at every case in a way that is not general. 
 
 
 
Proof by Counterexample 
Used to disprove a universal statement. For example, to disprove the statement, "All prime number...
Exclusive or. ⊕ 
One or the other, but not both. 
We can go to the park or the movies. 
 
 
 
inclusive or is a: 
disjunction 
 
 
 
Order of operations in absence of parentheses. 
1. ¬ (not) 
2. ∧ (and) 
3. ∨ (or) 
the rule is that negation is applied first, then conjunction, then disjunctio...
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Add to cartExclusive or. ⊕ 
One or the other, but not both. 
We can go to the park or the movies. 
 
 
 
inclusive or is a: 
disjunction 
 
 
 
Order of operations in absence of parentheses. 
1. ¬ (not) 
2. ∧ (and) 
3. ∨ (or) 
the rule is that negation is applied first, then conjunction, then disjunctio...
Tautology 
Compound proposition that is always true regardless of the truth value of individual propositions (Always ends up true) 
 
 
 
Contradiction 
Compound proposition that is always false regardless of the truth value of individual propositions (Always ends up false) 
 
 
 
Logical Equivalenc...
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Add to cartTautology 
Compound proposition that is always true regardless of the truth value of individual propositions (Always ends up true) 
 
 
 
Contradiction 
Compound proposition that is always false regardless of the truth value of individual propositions (Always ends up false) 
 
 
 
Logical Equivalenc...
Data scientists are able to find ______, _________, and _____ in unstructured data. 
order, meaning, and value 
 
 
 
What is involved in the planning phase? 
1. Defining goals 
2. Organizing resources 
3. Coordinate people 
4. Schedule project 
 
 
 
What is involved in the wrangling phase? 
5. Get...
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Add to cartData scientists are able to find ______, _________, and _____ in unstructured data. 
order, meaning, and value 
 
 
 
What is involved in the planning phase? 
1. Defining goals 
2. Organizing resources 
3. Coordinate people 
4. Schedule project 
 
 
 
What is involved in the wrangling phase? 
5. Get...
Which of these is NOT a topic of interest for Discovery/Planning/Business Understanding? 
A. Project Scope 
B. Identify stakeholders and research questions/KPIs 
C. Build a data pipeline (ETL) 
D. Identify timeline, budget, and participants 
C 
 
 
 
What is a potential problem to consider in the pl...
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Add to cartWhich of these is NOT a topic of interest for Discovery/Planning/Business Understanding? 
A. Project Scope 
B. Identify stakeholders and research questions/KPIs 
C. Build a data pipeline (ETL) 
D. Identify timeline, budget, and participants 
C 
 
 
 
What is a potential problem to consider in the pl...
D204 The Data Analytics Journey questions and answers
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Add to cartD204 The Data Analytics Journey questions and answers
The Data Analytics Journey D204 with 100% correct answers
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Add to cartThe Data Analytics Journey D204 with 100% correct answers
Many versions but one proposed in this class: 
1) Business Understanding 
2) Data Acquisition 
3) Data Cleaning 
4) Data Exploration 
5) Predictive Modeling 
6) Data Mining/Machine Learning 
7) Reporting and Visualization 
and loop back at this point 
What are the phases of the data analytics life c...
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Add to cartMany versions but one proposed in this class: 
1) Business Understanding 
2) Data Acquisition 
3) Data Cleaning 
4) Data Exploration 
5) Predictive Modeling 
6) Data Mining/Machine Learning 
7) Reporting and Visualization 
and loop back at this point 
What are the phases of the data analytics life c...
Which activity does an analyst perform in the discovery phase of the data analytics life cycle? 
Identifying business needs 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
 
 
 
An analyst applies a statistical formula to obtain the averag...
Preview 2 out of 13 pages
Add to cartWhich activity does an analyst perform in the discovery phase of the data analytics life cycle? 
Identifying business needs 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
 
 
 
An analyst applies a statistical formula to obtain the averag...
Which activity does an analyst perform in the discovery phase of the data analytics life cycle? 
Identifying business needs 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
 
 
 
An analyst applies a statistical formula to obtain the averag...
Preview 2 out of 7 pages
Add to cartWhich activity does an analyst perform in the discovery phase of the data analytics life cycle? 
Identifying business needs 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
 
 
 
An analyst applies a statistical formula to obtain the averag...
List the Data Analytics Life Cycle phases. 
1. Business understanding 
2. Data acquisition 
3. Data cleaning 
4. Data exploration 
5. Predictive modeling 
6. Data mining 
7. Reporting and visualization 
 
 
 
Describe the business understanding phase of the data analytics life cycle. 
 
This phase i...
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Add to cartList the Data Analytics Life Cycle phases. 
1. Business understanding 
2. Data acquisition 
3. Data cleaning 
4. Data exploration 
5. Predictive modeling 
6. Data mining 
7. Reporting and visualization 
 
 
 
Describe the business understanding phase of the data analytics life cycle. 
 
This phase i...
Lack of Organization and Lack of Sponsor Support 
What are some of the main reasons that projects fail? 
 
 
 
Hacking Skills, Math and Statistics, and Domain Expertise 
What is the Venn Diagram for Data Science? 
 
 
 
Discovery 
Define Goals, Ask Questions, Develop a Problem Statement, Organize Re...
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Add to cartLack of Organization and Lack of Sponsor Support 
What are some of the main reasons that projects fail? 
 
 
 
Hacking Skills, Math and Statistics, and Domain Expertise 
What is the Venn Diagram for Data Science? 
 
 
 
Discovery 
Define Goals, Ask Questions, Develop a Problem Statement, Organize Re...
Which activity does an analyst perform in the discovery phase of the data analytics life cycle? 
identifying business needs 
 
 
 
In which phase of the data analytics life cycle does the analyst build a histogram? 
data exploration 
 
 
 
An analyst applies a statistical formula to obtain the avera...
Preview 2 out of 7 pages
Add to cartWhich activity does an analyst perform in the discovery phase of the data analytics life cycle? 
identifying business needs 
 
 
 
In which phase of the data analytics life cycle does the analyst build a histogram? 
data exploration 
 
 
 
An analyst applies a statistical formula to obtain the avera...
What should we consider when creating Technical Standards? 
Users and Goals of project 
 
 
 
What are Process Standards? 
Ways teams work together. For example: Meeting Structure, Attendees, Making Decisions, Capturing Decisions 
 
 
 
Why should you automate the Code Review? 
Many things at play i...
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Add to cartWhat should we consider when creating Technical Standards? 
Users and Goals of project 
 
 
 
What are Process Standards? 
Ways teams work together. For example: Meeting Structure, Attendees, Making Decisions, Capturing Decisions 
 
 
 
Why should you automate the Code Review? 
Many things at play i...
Which activity does an analyst perform in the discovery phase? 
Identifying business needs 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
What a potential problem to consider in the business understanding phase? 
Lack of clear focus on stakeholders, timeline, limitations, and budget 
 
 
 
In which phase does th...
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Add to cartWhich activity does an analyst perform in the discovery phase? 
Identifying business needs 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
What a potential problem to consider in the business understanding phase? 
Lack of clear focus on stakeholders, timeline, limitations, and budget 
 
 
 
In which phase does th...
What are the defining characteristics of open data? 
data that is free to use with no cost and no restrictions 
 
 
 
What is the principle of informed consent in research? 
Potential research participants have to be given enough information about the goals, methods, and applications of the research...
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Add to cartWhat are the defining characteristics of open data? 
data that is free to use with no cost and no restrictions 
 
 
 
What is the principle of informed consent in research? 
Potential research participants have to be given enough information about the goals, methods, and applications of the research...
Which activity does an analyst perform in the discovery phase of the data analytics life cycle? 
 
Identifying business needs 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
An an...
Preview 2 out of 10 pages
Add to cartWhich activity does an analyst perform in the discovery phase of the data analytics life cycle? 
 
Identifying business needs 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
In which phase of the data analytics life cycle does an analyst build a histogram? 
Data exploration 
3 MULTIPLE CHOICE OPTIONS 
 
 
 
An an...
What do neural networks use to produce higher level outputs? 
They rely on several hidden layers of calculations with complex interactions. 
 
 
 
What are business intelligence methods designed to do? 
to emphasize speed, accessibility, and insight. 
 
 
 
Do you need a full toolkit of data science...
Preview 2 out of 10 pages
Add to cartWhat do neural networks use to produce higher level outputs? 
They rely on several hidden layers of calculations with complex interactions. 
 
 
 
What are business intelligence methods designed to do? 
to emphasize speed, accessibility, and insight. 
 
 
 
Do you need a full toolkit of data science...
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