Preview Questions Data Analyst | Role Specific Skill

Question 1: How do you determine the appropriate "reporting frequency" for financial performance in a large-scale dataset?

Which action should you take?

Choose only one option

I automatically choose daily reports to ensure timely data

I analyze the volatility and variability of the data, and select the frequency based on patterns and business requirements

I follow the company's standard reporting frequency regardless of the data characteristics

I select reporting frequency based on the volume of transactions and skip other factors

Question 2: Which of the following SQL features would help you maintain data consistency across multiple tables in a banking system?

Which action should you take?

Choose only one option

Foreign keys with cascading updates and deletes

Triggers to enforce data consistency

Materialized views for aggregation

Use of non-relational data structures for data storage

Question 3: In time series analysis, what does the term "stationarity" refer to in the context of BFSI data?

Which action should you take?

Choose only one option

The data is normally distributed

The series shows a cyclic pattern

The data exhibits consistent trends over time

The mean, variance, and autocovariance of the series do not change over time

Question 4: When testing for the effectiveness of a new financial product, which statistical test would you use to compare more than two independent groups?

Which action should you take?

Choose only one option

Chi-square test

Paired t-test

Kruskal-Wallis H test

Z-test

Question 5: How do you handle noise in financial data when identifying significant trends in stock prices or interest rates?

Which action should you take?

Choose only one option

I discard all outlier data points and focus on the remaining data

I assume noise is irrelevant and ignore it in my analysis

I apply smoothing techniques such as exponential smoothing or moving averages to remove noise

I use only raw data without any pre-processing

Question 6: What is the best practice when documenting a report containing complex financial calculations to ensure transparency and reproducibility of the results?

Which action should you take?

Choose only one option

Use proprietary software to generate reports without revealing formulas

Document all assumptions and methodologies used

Only provide the final figures and avoid supporting calculations

Avoid including methodology details to keep the report short