The Data Scientists Toolbox Coursera Answer

In this blog you will find the correct answer of the Coursera quiz The Data Scientists Toolbox Coursera Answer mixsaver always try to brings best blogs and best coupon codes
 

 

Week- 1

Module One Summative Quiz

 

1.
Question 1

Which of these is NOT one of the main skills embodied by data scientists?

1 point

2.
Question 2

What is the most important thing in Data Science?

1 point

3.
Question 3

Which of these might be a good title for a forum post?

1 point

4.
Question 4

What’s the first step in the data science process?

1 point

5.
Question 5

Which of these is an example of a quantitative variable?

1 point

 

 

Week- 2

Module Two Summative Quiz

 

1.
Question 1

What does base R focus on?

1 point

Mapping

 

Statistical analysis

 

Artificial intelligence

2.
Question 2

What is RStudio?

1 point

A graphical user interface for R

 

Version control software

 

A programming language

3.
Question 3

What is the name of the quadrant in the bottom left corner of RStudio, in the default layout?

1 point

History

 

Plots

 

Console

4.
Question 4

What command lists your R version, operating system, and loaded packages?

1 point

versions()

 

Sessioninfo()

 

sessionInfo()

5.
Question 5

What file extension do Projects in R use?

1 point

.Rproj

 

.R

 

.RPROJECT

 

 

 

Week- 3

Module Three Summative Quiz

 

1.
Question 1

What is a good example of a message to accompany a commit?

1 point

Modified linear model of height to include new covariate, genotype

 

Fixed problem with linear model

 

Updated thing

2.
Question 2

On each repository page in GitHub, in the top right hand corner there are three options. They are:

1 point

Watch, star, fork

 

Pull, clone, fork

 

Commit, contributors, issues

3.
Question 3

Which of the following will initiate a git repository locally?

1 point

git init

 

git remote add

 

git boom

4.
Question 4

What is the order of commands to send a file to GitHub from within RStudio?

1 point

Commit > Push

 

Stage > Commit message > Commit > Push

 

Pull > Push > Commit

5.
Question 5

How do you add all of the contents of a directory to version control?

1 point

git add .

 

cd ~/dir/name/of/path/to/file

 

git commit -m “Message”

 

 

 

Week- 4

Module Four Summative Quiz

 

1.
Question 1

What is the format for including a link that appears as blue text in your markdown document?

1 point

[text that is shown](link.com)

 

(link.com)[text that is shown]

 

(text that is shown)[link.com]

2.
Question 2

Which of the following describes a predictive analysis?

1 point

Using data collected in the past to predict values in the future

 

Finding if one variable is related to another one

 

Showing the effect on a variable of changing the values of another variable

3.
Question 3

We collect data on all the songs in the Spotify catalogue and want to
summarize how many are country western, hip-hop, classic rock, or other.
What type of analysis is this?

1 point

Exploratory

 

 

Descriptive

 

Predictive

4.
Question 4

What might a confounder be in an experiment looking at the relationship
between the prevalence of white hair in a population and wrinkles?

1 point

Age

Socioeconomic status

Sex

5.
Question 5

Which one of the following is an example of structured data?

1 point

The text from a series of books

 

 

Lung x-ray images

 

A table of names and student grades

 

 

Peer-graded Assignment: Assemble your toolbox

 

 

https://i.ibb.co/mSMpvrw/1.png

PROMPT
Set up a Github account (you may use your own name or a pseudonym).
Create a repo called datasciencecoursera
Copy and paste the link to your GitHub account (or a direct link to your datasciencecoursera repo)

https://github.com/CP-Tadeo

PROMPT
Create a text file called HelloWorld.md
Add the line “## This is a markdown file” (without the quotation marks) to the document
Push the document to the datasciencecoursera repo you created on Github
Submit the link to the HelloWorld.md file on your Github repo.

https://github.com/CP-Tadeo/datasciencesoursera

 

PROMPT
Fork the data sharing repository here:
Copy and paste the link to the forked repository on your Github account.

 

Click here

Post

 

Important Links: