Nielsen Senior Data Scientist Interview Questions and Answers

Q1. What is EPS? Why balance sheet always match?
Ans. 
EPS stands for Earnings Per Share. Balance sheet always matches due to the fundamental accounting equation.
• EPS is a financial metric that measures the profit earned by a company per outstanding share of common stock.

• It is calculated by dividing the net income of the company by the total number of outstanding shares.

• Balance sheet always matches because of the fundamental accounting equation which states that assets must...read more
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Q1. What is depreciation and amortization?
Ans. 
Depreciation and amortization are accounting methods used to allocate the cost of assets over their useful lives.
• Depreciation is the allocation of the cost of tangible assets, such as buildings or equipment, over their useful lives.

• Amortization is the allocation of the cost of intangible assets, such as patents or copyrights, over their useful lives.

• Both depreciation and amortization are non-cash expenses that reduce t...read more
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Q1. Self introduction
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Q2. Knowledge of data handling
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A train running at the speed of 60 km/hr crosses a pole of 9 seconds. what is hte length of train?

Print all prime numbers

Analysing the company's document and finding out the answer which will be given in choose

Q1. Details of ESG(Environmental, social and governance)
Ans. 
ESG stands for Environmental, Social and Governance. It is a set of criteria used to evaluate a company's performance in these areas.
• Environmental criteria include a company's impact on the environment, such as its carbon footprint and use of renewable energy.

• Social criteria include a company's relationships with its employees, customers, and communities, as well as its impact on human rights.

• Governance criteria includ...read more
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Q2. What is mean by renewable and non renewable energy
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Renewable energy is derived from natural resources that can be replenished, while non-renewable energy is finite and cannot be replenished.
• Renewable energy sources include solar, wind, hydro, geothermal, and biomass

• Non-renewable energy sources include fossil fuels like coal, oil, and natural gas

• Renewable energy is considered more sustainable and environmentally friendly

• Non-renewable energy sources are finite and will e...read more
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Q1. What is social governance
Ans. 
Social governance refers to the processes and structures that guide and regulate social behavior within a community or society.
• It involves the establishment of rules, norms, and policies to ensure social order and harmony.

• Social governance can be implemented at various levels, such as national, regional, or local.

• It encompasses the management of social institutions, organizations, and systems.

• Examples of social governa...read more
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Q2. What you know about esg
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ESG stands for Environmental, Social, and Governance. It is a framework used to evaluate the sustainability and ethical impact of a company.
• ESG focuses on three key areas: environmental factors, social factors, and governance factors.

• Environmental factors include a company's impact on climate change, resource usage, and pollution.

• Social factors consider a company's treatment of employees, community involvement, and div...read more
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Q1. About questions on esg
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ML , python, sql based questions

Q1. Basic python questions
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Q2. Projects explanation
Ans. 
I have worked on various projects involving data analysis, visualization, and interpretation.
• Developed predictive models using machine learning algorithms

• Analyzed large datasets to identify trends and patterns

• Created interactive dashboards for stakeholders to easily understand data

• Collaborated with cross-functional teams to gather requirements and deliver insights
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Q3. Sql based basic questions
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