Deloitte Data Analyst Interview Questions, Process, and Tips

A basic Python coding test.

Q1. What is back propagation
Ans. 
Back propagation is a technique used in neural networks to update the weights of the network by calculating the gradient of the loss function.
• Back propagation involves calculating the gradient of the loss function with respect to each weight in the network.

• The calculated gradients are then used to update the weights in the network in order to minimize the loss function.

• This process is repeated iteratively until the net...read more
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Q2. Activation functions
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Q3. Diff between rnn and ann
Ans. 
RNN is a type of neural network that has connections feeding back into itself, allowing it to retain information over time. ANN does not have this capability.
• RNN has loops that allow information to persist, while ANN does not

• RNN is used for sequential data like time series or text, while ANN is used for static data

• RNN can handle variable input lengths, while ANN requires fixed input sizes
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It is test of AMCAT type

Easy to medium range 2 questions

Q1. Explain your Major Project.
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Q2. Why testing is needed?
Ans. 
Testing is needed to ensure the accuracy, reliability, and functionality of data analysis processes.
• Testing helps identify and prevent errors in data analysis processes.

• It ensures the accuracy and reliability of the results obtained from data analysis.

• Testing helps in validating the functionality of data analysis models and algorithms.

• It helps in identifying and fixing any issues or bugs in the data analysis process.

• Te...read more
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Q3. And some basic questions on python
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Basic aptitude and coding questions were asked.

Q1. Resume based questions
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Q2. Why should we hire you? What do you bring to the table?
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Q1. About yourself and background
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Q2. Where do you see yourself next 5 years
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2 ques were asked about array