Blackstraw AI Business Intelligence Developer Interview Questions and Answers

Mean, median, and mode are measures of central tendency used in statistics.

• Mean is the average of a set of numbers. It is calculated by adding all the numbers and dividing by the total count.

• Median is the middle value in a set of numbers. It is calculated by arranging the numbers in order and finding the middle value.

• Mode is the most frequently occurring value in a set of numbers.

• These measures are used to describe the...read more

Analytics offers a unique blend of technology and business acumen, providing insights that drive strategic decisions.

• Analytics allows me to work with data and technology while also understanding the business implications of my findings.

• I enjoy the challenge of finding patterns and insights in data that can help businesses make informed decisions.

• Analytics is a growing field with a high demand for skilled professionals,...read more

In 5 years, I see myself as a senior business analyst leading a team of analysts and contributing to the growth of the company.

• Leading a team of analysts

• Contributing to the growth of the company

• Developing new skills and knowledge

• Building strong relationships with stakeholders

• Taking on more responsibilities

Append and Merge are two methods used to combine data from multiple sources into a single dataset.

• Append adds new rows to an existing dataset.

• Merge combines two or more datasets based on a common column or key.

• Append is useful when adding new data to an existing dataset, while Merge is useful for combining datasets with related information.

• Example: Appending new sales data to an existing sales dataset.

• Example: Merging ...read more

Approximately 150-200 million mobile phones are sold each year in India.

• India is the second-largest smartphone market in the world after China.

• The number of mobile phone users in India is expected to reach 1.25 billion by 2020.

• The Indian smartphone market grew by 7% YoY in 2019.

• Major players in the Indian smartphone market include Xiaomi, Samsung, and Vivo.

It is not possible to accurately determine the number of tube lights in the city of Mumbai.

• The number of tube lights in a city is not publicly available information.

• The city of Mumbai has a large population and a vast number of buildings, making it impossible to count all the tube lights.

• The number of tube lights can vary greatly depending on factors such as residential, commercial, and industrial areas.

• Even if we cons...read more

I am a business analyst with experience in data analysis and project management.

• I have a degree in business administration

• I have worked with various industries such as finance and healthcare

• I am skilled in data analysis tools such as Excel and SQL

• I have experience in project management and leading cross-functional teams

I am excited to join Mu Sigma because of its reputation for innovative problem-solving and data-driven approach.

• Mu Sigma's focus on data-driven decision making aligns with my passion for using data to solve complex business problems.

• I am impressed by Mu Sigma's track record of delivering impactful solutions for clients across various industries.

• I am excited about the opportunity to work with a diverse team of talented ...read more

Mu Sigma is a data analytics and decision sciences company that helps businesses make data-driven decisions.

• Mu Sigma provides services such as data engineering, data science, decision sciences, and design thinking.

• They work with clients across various industries including healthcare, retail, finance, and technology.

• Mu Sigma's solutions help clients improve their operations, optimize their marketing strategies, and enha...read more