Xcaliber Infotech Interview Questions, Process, and Tips

Q1. What is bias variance tradeoff in machine learning
Ans. 
Bias-variance tradeoff is the balance between underfitting and overfitting in machine learning models.
• Bias refers to error from erroneous assumptions in the learning algorithm, leading to underfitting.

• Variance refers to error from sensitivity to small fluctuations in the training set, leading to overfitting.

• The tradeoff involves finding the right level of model complexity to minimize both bias and variance.

• Regularizati...read more
Answered by AI
Add your answer
Q2. Explain your project
Add your answer
Q3. Write a SQL code to find 2nd highest salary
Ans. 
SQL code to find 2nd highest salary
• Use the MAX() function to find the highest salary

• Use the WHERE clause to exclude the highest salary

• Order the salaries in descending order and limit the result to 1
Answered by AI
Add your answer

Q1. SQL queries (Aggregate Functions) Advanced excel Scenario Based Questions SQL Joins User Story
Add your answer

Q1. User Stories (2-3) Types of documents that BA prepares 5-6 scenario based questions Agile Methodologies Scrum Events and Artifacts
Add your answer

Basic Java arrays que

Q1. Basic technical que
Add your answer

Q1. Mostly SQL Questions Scenario based questions
Add your answer

Q1. Tricky scenario based questions Questions based on hobbies Asked to write User stories for specific requirements
Add your answer

Python sql coading questions with mcqa

Q1. What is Acid Properties
Add your answer

Q1. Knowledge of UX and other process flow questions.
Add your answer

Assignment given on design and UX wireframe

Q1. One on one round with VP
Add your answer