Tessolve Semiconductor Senior Data Analyst Interview Questions and Answers

Few standard dsa questions were asked.

Q1. Explain projects
Ans. 
Projects are specific tasks or assignments that require a set of skills and resources to achieve a particular goal or outcome.
• Projects involve defining objectives and deliverables

• They require planning, execution, and monitoring

• Projects often have timelines and budgets

• Examples: Data analysis project to identify customer trends, Project to implement a new software system
Answered by AI
Add your answer
Q2. Introduce urself
Ans. 
I am a data analyst with a strong background in statistics and data visualization.
• I have a Bachelor's degree in Statistics from XYZ University.

• I have 3 years of experience working as a data analyst at ABC Company.

• Proficient in using tools like Excel, SQL, and Tableau for data analysis.

• I have experience in creating reports and dashboards to present data insights to stakeholders.
Answered by AI
Add your answer

Q1. What is Adaboost?
Ans. 
Adaboost is a machine learning algorithm that combines multiple weak learners to create a strong learner.
• Adaboost stands for Adaptive Boosting.

• It works by adjusting the weights of incorrectly classified instances so that subsequent weak learners focus more on them.

• The final prediction is made by combining the predictions of all the weak learners, weighted by their accuracy.

• Example: Adaboost is commonly used in face det
Answered by AI
Add your answer
Q2. Print the binary tree in different order
Ans. 
Printing a binary tree in different orders
• Use inorder traversal to print the binary tree in ascending order

• Use preorder traversal to print the binary tree in root-left-right order

• Use postorder traversal to print the binary tree in left-right-root order
Answered by AI
Add your answer

Q1. Experience with Power BI
Ans. 
I have experience using Power BI to create interactive visualizations and analyze data.
• Created interactive dashboards to track key performance indicators

• Used Power Query to clean and transform data for analysis

• Utilized DAX formulas to calculate metrics and create custom measures
Answered by AI
Add your answer