Crif Solutions Interview Questions, Process, and Tips

You will be given a dataset and a questionnaire to be solved over it

Q1. Explain confidance interval
Ans. 
Confidence interval is a range of values that is likely to contain the true population parameter with a certain level of confidence.
• Confidence interval is used to estimate the population parameter based on a sample statistic.

• It is calculated by taking the sample mean and adding or subtracting the margin of error.

• The level of confidence is typically set at 95% or 99%.

• For example, a 95% confidence interval for the averag...read more
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Q2. Explain logistic regression
Ans. 
Logistic regression is a statistical method used to analyze and model the relationship between a binary dependent variable and one or more independent variables.
• It is used to predict the probability of a binary outcome (0 or 1).

• It uses a sigmoid function to map the input values to the output probability.

• It is commonly used in machine learning for classification problems.

• Example: predicting whether a customer will buy a...read more
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Q3. Use of confusion matrix
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Confusion matrix is a table used to evaluate the performance of a classification model.
• It helps in calculating various metrics like accuracy, precision, recall, F1 score, etc.

• It compares the predicted values with the actual values to identify true positives, true negatives, false positives, and false negatives.

• It is commonly used in machine learning and data science to evaluate the performance of classification models.

• ...read more
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Q4. Explain academic projects
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Academic projects are assignments given to students to apply their theoretical knowledge in practical scenarios.
• Academic projects are designed to help students gain hands-on experience in their field of study.

• They require students to apply their theoretical knowledge to solve real-world problems.

• Examples of academic projects include building a website, designing a software application, conducting a research study, or c...read more
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Q1. What do you know about crif
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Q2. What do you want to learn here
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Q1. All related with current job role and finnace
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Complete evaluation report ratio analysis industry overview management.

Q1. Final and details technical with tricky questions.
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Q1. Coding, Modelling
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Project Management, Delivery etc

Q1. How would you handle a difficult client
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Q1. Tell me about yourself?
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Q2. Hobbies, communication Test to speak on any topic for atleast 4 min
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Q3. Why you left your Previous Organization.
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Q1. Tell me about your Future Goals,
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Q1. Hospital A has 20% male born and 80% female born; Hospital B has 45% and 55%. What's a possible reason of this difference?
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Q1. Why you applied for this job
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Q1. What is defect life cycle?
Ans. 
Defect life cycle is the process of identifying, reporting, fixing, and verifying defects in software development.
• Defect is identified by testers during testing

• Defect is reported to the development team

• Development team fixes the defect

• Fixed defect is verified by testers

• Defect is closed if it passes verification

• If defect fails verification, it is reopened and the cycle continues
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Q2. What ECP & BVA?
Ans. 
ECP stands for Equivalence Class Partitioning and BVA stands for Boundary Value Analysis.
• ECP is a testing technique that divides input data into groups that are expected to exhibit similar behavior.

• BVA is a testing technique that focuses on testing values at the boundaries of input domains.

• ECP and BVA are used to identify defects in software and improve the quality of testing.

• For example, if a program accepts input val...read more
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Q1. Test scenarios for ATM
Ans. 
Test scenarios for ATM
• Verify if the ATM is dispensing the correct amount of cash

• Check if the ATM is accepting valid cards and rejecting invalid ones

• Test if the ATM is able to handle multiple transactions at the same time

• Ensure that the ATM is providing proper instructions to the user

• Validate if the ATM is able to handle network connectivity issues
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