# IBM Data Analyst Capstone Project Coursera Quiz Answers

## All Weeks IBM Data Analyst Capstone Project Coursera Quiz Answers

In this course, you will apply various Data Analytics skills and techniques that you have learned as part of the previous courses in the IBM Data Analyst Professional Certificate. You will assume the role of an Associate Data Analyst who has recently joined the organization and be presented with a business challenge that requires data analysis to be performed on real-world datasets.

### IBM Data Analyst Capstone Project Week 01 Quiz Answers

#### Quiz 1 : Graded Quiz: Collecting Data

Q1. Which python module helps you to easily access an API?

- NumPy
- Matplotlib
**Requests**- Pandas

Q2. How many job postings exist for Python?

- 11
- 78
- 53
- 51

Q3. Which programming language has the maximum number of job postings?

- Java
- C
- C++
**Python**

#### Quiz 2 : Graded Quiz: Web Scraping

Q1. Which language are developers paid the most according to the output of the web scraping lab?

- Java
**Swift**- C
- C++

Q2. Which of the following code segments will help to scrape all images from a html page?

**soup.find_all(“image”)**- soup.find_all(“img”)
- soup.findall(“pic”)
- soup.findall(“img”)

#### Quiz 3 : Graded Quiz: Exploring Data

Q1. How many rows are in the data set?

- 11255
- 11525
- 11555
**11552**

Q2. How many columns are in the data set?

- 84
**85**- 86
- 26

Q3. What type of column is “Age”?

- Text
- Nominal
**Numerical**- Categorical

### IBM Data Analyst Capstone Project Week 02 Quiz Answers

#### Quiz 1 : Graded Quiz: Duplicates

Q1. How many duplicate rows are there in the dataset?

**124**- 154
- 99
- 145

Q2. How many duplicate values are there in the column Respondent?

- 99
**154**- 10
- 96

#### Quiz 2 : Graded Quiz: Removing Duplicates

Q1. After removing the duplicate rows, how many rows are there in the dataset?

**11398**- 9999
- 13456
- 12333

Q2. After removing the duplicate rows, how many unique rows are there in the column Respondent?

**11398**- 11342
- 11999
- 11000

#### Quiz 3 : Graded Quiz: Missing Values

Q1. After removing the duplicate rows, how many blank rows are there under the column EdLevel?

- 280
- 231
- 0
**112**

Q2. After removing the duplicate rows, how many rows are missing under the column Country?

**0**- 188
- 280
- 201

#### Quiz 4 : Graded Quiz: Imputing Missing Values

Q1. What is the majority category under the column **Employment**?

- Employed part-time
**Employed full-time**- Retired
- Independent contractor, freelancer, or self-employed

Q2. Under the column ” UndergradMajor”, which category has the minimum number of rows?

- Computer Science
**Health Science**- Fine Arts
- Information Systems

Q3. The column ‘ConvertedComp’ contains the annual compensation of the survey respondents. What is the best approach to impute the missing values in this column?

- mean
**median**- max
- min

#### Quiz 5 : Graded Quiz: Normalizing Data

Q1. How many unique values are there in the CompFreq column?

- 5
- 11398
**3**- 7

Q2. After removing the duplicate rows, how many respondents are being paid yearly?

- 9999
- 3259
- 312
**6073**

Q3. What is the median **NormalizedAnnualCompensation**?

- 9000
- 6132520
**100000**- 8080

### IBM Data Analyst Capstone Project Week 03 Quiz Answers

#### Quiz 1 : Graded Quiz: Distribution

Q1. What is the median **Age** of survey respondents?

- 30
**28**- 29
- 31

Q2. What is the median ConvertedComp of respondents who have identified themselves as ‘Woman’?

- 54678
- 55467
- 56453
**57708**

Q3. Based on the histogram, which age group has the highest number of survey respondents?

- 32-40
- 40-48
- 16-24
**24-32**

#### Quiz 2 : Graded Quiz: Handling Outliers

Q1. What is the median **ConvertedComp** before removing outliers?

- 55768
- 78675
**57745**- 55342

Q2. What is the median **ConvertedComp** after removing outliers?

**52704**- 53564
- 55672
- 56456

Q3. Based on the boxplot of ‘**Age**’ how many outliers do you see below Q1?

**0**- 3
- 2
- 1

Q4. What is the mean **ConvertedComp** after removing outliers?

**59883**- 10000
- 34567.34
- 2378.56

#### Quiz 3 : Graded Quiz: Correlation

Q1. Which column has a negative correlation with “**Age**“?

- Respondent
**CodeRevHrs**- WorkWeekHrs
- CompTotal

Q2. Which column has the highest correlation with “Age”?

- WorkWeekHrs
**ConvertedComp**- Respondent
- CompTotal

### IBM Data Analyst Capstone Project Week 04 Quiz Answers

#### Quiz 1 : Graded Quiz: Visualizing Relationship

Q1. Based on the scatter plot of **Age** and **WorkWeekHrs** , what kind of correlation do you see between them?

- Very high positive correlation
**Difficult to clearly identify from the scatter plot.**- No correlation
- Very High negative correlation.

#### Quiz 2 : Graded Quiz: Visualizing Composition of Data

Q1. In the pie chart of top 5 databases, respondents wish to learn next year, what is the percentage of Mongodb?

- 19.1
- 16.4
- 18.8
**20.9**

Q3. In the list of most popular languages respondents wish to learn next year, what is the rank of Python?

- 2
- 4
- 1
**3**

Q3. How many respondents indicated that they currently work with ‘SQL’?

**7106**- 5132
- 5012
- 5321

Q4. How many respondents indicated that they work on ‘MySQL’ only?

**474**- 657
- 876
- 736

#### Quiz 3 : Graded Quiz: Visualizing Comparison of Data

Q1. Majority of the survey responders are

**Developer – front-end**- Developer – full-stack
- Developer – mobile
- Developer – back-end

Q2. Based on the Line Chart of **Age** and median **ConvertedComp** for the age group **25-30**, what kind of correlation do you see between Age and median ConvertedComp?

- Negative
- No Correlation
**Positive**- Highly Negative

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This Course is a part of the IBM Data Analyst Professional Certificate.

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This course is intended for audiences of all experiences who are interested in learning about Data Analytics in a business context; there are no prerequisite courses.

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