NetTech Data Science Trainer Interview Questions and Answers

Q1. Introduction about yourself
Ans. 
Data analyst with a passion for transforming data into actionable insights, skilled in statistical analysis and data visualization.
• Educational Background: Bachelor's degree in Statistics, focusing on data analysis techniques.

• Technical Skills: Proficient in SQL, Python, and data visualization tools like Tableau.

• Professional Experience: Worked at XYZ Corp, where I improved reporting efficiency by 30% through automation.

• P...read more
Answered by AI
Add your answer
Q2. Few bascis of python
Ans. 
Python is a versatile programming language widely used for data analysis, automation, and web development.
• Python is an interpreted language, meaning it executes code line by line, which makes debugging easier.

• It supports multiple programming paradigms, including procedural, object-oriented, and functional programming.

• Python has a rich ecosystem of libraries, such as Pandas for data manipulation and NumPy for numerical ...read more
Answered by AI
Add your answer

Q1. Spark architecture.
Add your answer
Q2. Narrow and wide transformations
Add your answer

Basics of C language

Q1. JavaScript coding
Add your answer
Q2. C language Coding questions
Add your answer

Q1. More than technology,a senior recruiter asks where you stay which gali you stay,which temple is near by,what your husband do,getting into more personal and final he will ask your janam kundali and tell you...read more
Add your answer

Q1. Senior recruiter will ask more personal questions
Add your answer

Q1. What is the role of a Data Analyst?
Ans. 
A Data Analyst interprets data to provide insights, support decision-making, and improve business processes.
• Collecting and cleaning data from various sources, e.g., databases, spreadsheets.

• Analyzing data trends and patterns to inform business strategies, such as sales forecasting.

• Creating visualizations and reports to communicate findings, like dashboards using tools like Tableau.

• Collaborating with cross-functional tea...read more
Answered by AI
Add your answer
Q2. How does it contribute to career growth?
Ans. 
A Data Analyst Intern role enhances skills, builds networks, and opens doors for future opportunities in data-driven industries.
• Skill Development: Internships provide hands-on experience with tools like SQL, Python, and data visualization software.

• Networking Opportunities: Working with professionals in the field can lead to mentorship and job referrals.

• Real-World Experience: Interns learn to apply theoretical knowledge...read more
Answered by AI
Add your answer

Q1. What is F1 Score
Ans. 
F1 Score is a metric that combines precision and recall to evaluate the performance of a classification model.
• F1 Score is the harmonic mean of precision and recall.

• Precision = True Positives / (True Positives + False Positives).

• Recall = True Positives / (True Positives + False Negatives).

• F1 Score = 2 * (Precision * Recall) / (Precision + Recall).

• An F1 Score of 1 indicates perfect precision and recall, while 0 indicates...read more
Answered by AI
Add your answer
Q2. What is Standard Deviation
Ans. 
Standard deviation measures the amount of variation or dispersion in a set of values.
• It quantifies how much individual data points differ from the mean.

• A low standard deviation indicates that data points are close to the mean.

• A high standard deviation indicates that data points are spread out over a wider range.

• Example: For the data set [2, 4, 4, 4, 5, 5, 7, 9], the standard deviation is about 2.

• In finance, standard de...read more
Answered by AI
Add your answer