10+ Tech Mahindra Senior Quality Analyst Interview Questions and Answers

The formula for calculating variance is the sum of squared differences between each data point and the mean, divided by the total number of samples. Error percentage is the absolute difference between the actual and predicted values, divided by the actual value, multiplied by 100.

• Variance = Σ((X - μ)²) / N, where X is each data point, μ is the mean, and N is the total number of samples

• Error percentage = |(Actual - Predicted) / Actual| * 100

• Example: If we have 5 data points (1...read more

I prefer online shopping due to convenience, variety, and better deals.

• Convenience of shopping from home without the need to travel to physical stores

• Wide variety of products available online compared to limited options in offline stores

• Ability to easily compare prices and find better deals online

• Availability of customer reviews and ratings to make informed purchasing decisions

I would prefer Amazon for making a purchase due to its wide range of products, user-friendly interface, and reliable delivery services.

• Wide range of products available

• User-friendly interface for easy navigation

• Reliable delivery services

• Frequent discounts and deals offered

• Trusted brand with good customer reviews

A pivot table is a data processing tool used to summarize, analyze, and present large amounts of data in a structured format.

• Pivot tables allow users to rearrange and summarize data from a spreadsheet or database table to analyze trends and patterns.

• They help in identifying relationships between different data points and making data-driven decisions.

• Pivot tables can be used to calculate averages, sums, counts, and other statistical measures for different categories of data.

• Th...read more

RCA is a systematic process used to identify the underlying causes of problems or issues in order to prevent their recurrence.

• RCA involves investigating an issue or problem to determine the root cause(s) rather than just addressing the symptoms.

• It helps in identifying systemic issues within processes or systems that may be contributing to the problem.

• RCA aims to prevent the recurrence of issues by addressing the root cause(s) and implementing corrective actions.

• Common RCA too...read more

I would use active listening and positive reinforcement to give feedback to a stubborn agent.

• Listen actively to the agent's concerns and try to understand their perspective

• Provide positive feedback on areas where the agent is performing well

• Offer constructive criticism on areas where improvement is needed

• Provide specific examples to support feedback

• Encourage the agent to ask questions and provide feedback on the feedback given

• Follow up with the agent to ensure that the feedba...read more

To reduce client escalation, focus on proactive communication, quick resolution, and continuous improvement.

• Establish clear communication channels with clients and keep them informed of any issues or updates.

• Address client concerns promptly and provide timely solutions.

• Analyze the root cause of escalations and implement measures to prevent them from happening again.

• Regularly review and improve processes to ensure client satisfaction.

• Train and empower team members to handle cl...read more

Online shopping offers convenience and variety, while offline shopping provides a more tactile and immediate experience.

• Online shopping allows for easy comparison of prices and products from different retailers.

• Offline shopping allows customers to physically see and touch products before making a purchase.

• Online shopping offers a wider range of products and the convenience of shopping from anywhere.

• Offline shopping provides instant gratification and the ability to interact wi...read more

Yes, there are many web tools available for various purposes.

• Some popular web tools are Google Analytics, SEMrush, Moz, Ahrefs, Screaming Frog, GTmetrix, and Pingdom.

• Google Analytics is used for website traffic analysis.

• SEMrush and Moz are used for SEO analysis and keyword research.

• Ahrefs is used for backlink analysis.

• Screaming Frog is used for website crawling and analysis.

• GTmetrix and Pingdom are used for website speed analysis.

• There are many other web tools available for d...read more

The number of audits I conduct in a day depends on the scope and complexity of the audit.

• The number of audits can vary depending on the size and complexity of the audit.

• I prioritize quality over quantity and ensure that each audit is thoroughly reviewed.

• On average, I can conduct 2-3 audits per day.

• However, if the audit is particularly complex, I may only be able to complete one in a day.

• I also ensure that I have enough time to provide detailed feedback and recommendations for...read more

BQM stands for Business Quality Management.

• BQM is a process that ensures the quality of business operations.

• It involves identifying and addressing quality issues in business processes.

• BQM helps to improve customer satisfaction and reduce costs.

• Examples of BQM tools include Six Sigma, Lean, and Total Quality Management.

The seven tools of quality are a set of techniques used for quality control and improvement in manufacturing and service industries.

• Check sheet: Used for collecting and analyzing data, such as defects or errors.

• Control chart: Monitors process variation over time to identify trends or patterns.

• Histogram: Displays data distribution to identify patterns or outliers.

• Pareto chart: Helps prioritize issues by showing the most significant factors contributing to a problem.

• Scatter dia...read more

Feedback methodology includes methods used to collect, analyze and act on feedback from customers or stakeholders.

• Feedback can be collected through surveys, focus groups, interviews, or social media.

• Analysis of feedback can be done through sentiment analysis, categorization, or statistical analysis.

• Action on feedback can include implementing changes, addressing concerns, or improving communication.

• Effective feedback methodology is essential for improving customer satisfaction...read more

Pareto analysis is a technique used to identify and prioritize the most important factors causing a problem.

• It is based on the Pareto principle, which states that 80% of the effects come from 20% of the causes.

• It involves creating a histogram to identify the frequency of each factor and then ranking them in order of importance.

• It helps in focusing on the vital few factors that have the most significant impact on the problem.

• For example, in a manufacturing process, Pareto anal...read more

A phone can partially replace a laptop for certain tasks, but not entirely.

• Phones can perform basic tasks like emailing, web browsing, and document editing, but may not have the same processing power as a laptop.

• Laptops are better suited for tasks that require more power and storage, such as video editing, programming, and graphic design.

• Phones are more portable and convenient for on-the-go tasks, while laptops offer a larger screen and better multitasking capabilities.

• Some t...read more