Course Assignments
Graded Quiz: Data Collection:IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025
1. Question 1 Which Python module helps you easily access an API? ❌ Matplotlib ❌ NumPy ❌ Pandas ✅ Requests Explanation:requests is the standard module for making API calls. 2. Question 2 Which URL format retrieves a JSON representation? ❌ .xml ❌ .csv ✅ /positions.json ❌ .html 3. Question 3 After downloading the Jobs_API file,… <a href="https://codeshala.io/platform/coursera/course/ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate/assignment/graded-quiz-data-collectionibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate-answer-2025/" rel="bookmark"><span class="screen-reader-text">Graded Quiz: Data Collection:IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025</span></a>
Graded Quiz: Data Wrangling:IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025
1. Question 1 Identify number of duplicate rows: ❌ df.sum_duplicates() ❌ df.duplicates().sum() ✅ df.duplicated().sum() ❌ df.find_duplicates() Explanation: df.duplicated() returns True/False for duplicate rows → .sum() counts them. 2. Question 2 Remove duplicates based on specific columns: ✅ df.drop_duplicates(subset=[‘ResponseId’, ‘MainBranch’]) ❌ df.drop_duplicates() ❌ df.drop_duplicates([‘ResponseId’, ‘MainBranch’]) ❌ df.drop_duplicates(columns=…) Explanation: Use subset= to specify columns. 3. Question 3… <a href="https://codeshala.io/platform/coursera/course/ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate/assignment/graded-quiz-data-wranglingibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate-answer-2025/" rel="bookmark"><span class="screen-reader-text">Graded Quiz: Data Wrangling:IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025</span></a>
Graded Quiz: Exploratory Data Analysis :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025
1. Question 1 Which function identifies missing values in each column? ❌ df.info() ❌ df.missing_values() ✅ df.isnull().sum() ❌ df.describe() Explanation: isnull().sum() counts missing values per column. 2. Question 2 Visualize distribution of a categorical variable: ❌ scatterplot ❌ lineplot ❌ histplot (best for numeric) ✅ countplot Explanation: countplot shows frequency counts of categories. 3. Question… <a href="https://codeshala.io/platform/coursera/course/ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate/assignment/graded-quiz-exploratory-data-analysis-ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate-answer-2025/" rel="bookmark"><span class="screen-reader-text">Graded Quiz: Exploratory Data Analysis :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025</span></a>
Graded Quiz: Data Visualization :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025
1. Question 1 Most suitable visualization for distribution of YearsCodePro: ✅ Histogram ❌ Bubble plot ❌ Pie chart ❌ Line chart Explanation:A histogram shows the distribution of a numerical variable. 2. Question 2 Variable most appropriate for examining distribution of work arrangement preferences: ❌ End of whisker ❌ CompTotal ✅ RemoteWork ❌ Upper boundary of… <a href="https://codeshala.io/platform/coursera/course/ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate/assignment/graded-quiz-data-visualization-ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate-answer-2025/" rel="bookmark"><span class="screen-reader-text">Graded Quiz: Data Visualization :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025</span></a>
Graded Quiz: Building a Dashboard :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025
1. Question 1 Primary purpose of creating a dashboard: ✅ Visualize and analyze data effectively ❌ Write code ❌ Share raw datasets ❌ Store raw data Explanation: Dashboards turn complex data into visual insights for decision-making. 2. Question 2 Dashboard layout template used in both labs: ❌ 2×2 rectangle ❌ Freeform ❌ Single-column ✅ 3… <a href="https://codeshala.io/platform/coursera/course/ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate/assignment/graded-quiz-building-a-dashboard-ibm-data-analyst-capstone-project-ibm-data-analyst-professional-certificate-answer-2025/" rel="bookmark"><span class="screen-reader-text">Graded Quiz: Building a Dashboard :IBM Data Analyst Capstone Project (IBM Data Analyst Professional Certificate) Answer 2025</span></a>