Shriram Automall Data Analyst Interview Questions and Answers

Outliers can be overcome by identifying and removing them or by transforming the data.

• Identify outliers using statistical methods like z-scores or box plots.

• Remove outliers by either deleting the data points or replacing them with a more appropriate value.

• Transform the data using techniques like winsorization or log transformation to reduce the impact of outliers.

• Consider the context and domain knowledge to determine t...read more

ETL process involves extracting data from various sources, transforming it to fit business needs, and loading it into a target database.

• Extract: Retrieve data from different sources like databases, files, APIs, etc.

• Transform: Clean, filter, aggregate, and convert data to meet business requirements.

• Load: Insert the transformed data into a target database or data warehouse.

• Example: Extracting sales data from a CRM system...read more

Use os.path.getsize() to check if file size is 0

• Use os.path.getsize() to get the size of the file in bytes

• Check if the size is 0 to determine if the file is empty

Motor's principal refers to the basic operating principle of an electric motor.

• Electric motors work on the principle of electromagnetic induction.

• They convert electrical energy into mechanical energy.

• The basic components of a motor include a stator, rotor, and commutator.

• Examples of motors include AC motors, DC motors, and brushless motors.

The controller is a device that manages the operation of a system or machine by receiving input and sending output signals.

• Controls the operation of a system or machine

• Receives input signals

• Sends output signals

• Regulates and coordinates the functions of different components

• Examples: temperature controller in HVAC system, speed controller in a motor

Warranty processes in dealership involve handling warranty claims, coordinating with manufacturers, and ensuring customer satisfaction.

• Understanding the warranty terms and conditions set by manufacturers

• Processing warranty claims accurately and efficiently

• Coordinating with manufacturers for approvals and reimbursements

• Ensuring timely repairs or replacements under warranty

• Maintaining records of warranty claims and repai