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I applied via Recruitment Consulltant and was interviewed in Nov 2021. There were 3 interview rounds.
Non-Markov processes are stochastic processes where the future state depends on more than just the current state.
Non-Markov processes violate the Markov property, which states that the future state depends only on the current state.
Examples of Non-Markov processes include autoregressive processes, hidden Markov models, and time series with long-term dependencies.
Non-Markov processes are more complex than Markov process...
Bayesian statistics involves prior knowledge and updating beliefs, while frequentist statistics relies on probability and sampling.
Bayesian statistics uses prior knowledge to update beliefs about a parameter, while frequentist statistics relies on probability and sampling.
Bayesian statistics involves the use of Bayes' theorem, while frequentist statistics involves hypothesis testing and confidence intervals.
Bayesian st...
The take home challenge included a data sets . The goal was to create a model to solve the given business case.
Bais-variance tradeoff is the balance between overfitting and underfitting. P values measure the significance of statistical results.
Bais-variance tradeoff is the tradeoff between the model's ability to fit the training data and its ability to generalize to new data.
Overfitting occurs when the model is too complex and fits the training data too closely, resulting in poor performance on new data.
Underfitting occurs when...
I applied via Hackajob
Coding test through Hackajob. 2 intermediate questions about fetching data from an API
I was interviewed in Feb 2024.
Sales data was given and I was required to predict future sales.
Sainsburys interview questions for popular designations
Did really well more informal
I applied via Job Portal
Spring boot related project and one DSA question
Pair programming in pyspark involves two programmers working together on the same code to solve problems efficiently.
Pair programming can help in brainstorming ideas and finding solutions faster.
It allows for immediate feedback and collaboration between team members.
One person can write the code while the other reviews and suggests improvements.
Pair programming can lead to better code quality and reduce errors.
Examples...
I applied via Company Website and was interviewed before Jan 2024. There were 2 interview rounds.
I would like to work for Sainsbury's because of its strong reputation, commitment to customer service, and opportunities for growth.
Sainsbury's has a strong reputation in the retail industry for quality products and excellent customer service.
I appreciate Sainsbury's commitment to sustainability and community involvement.
I see opportunities for career growth and development within Sainsbury's, which is important to me.
I have strong communication, problem-solving, and relationship-building skills.
Excellent communication skills, both verbal and written
Strong problem-solving abilities
Ability to build and maintain relationships with customers
Experience in handling customer inquiries and complaints
Proficient in using CRM software to track customer interactions
I would manage a team by setting clear goals, providing support and resources, fostering open communication, and recognizing achievements.
Set clear goals and expectations for the team
Provide necessary support and resources for team members to succeed
Foster open communication and encourage feedback
Recognize and reward team achievements to boost morale
I would remain calm, listen actively, empathize, and find a solution that meets their needs.
Remain calm and composed
Listen actively to understand their concerns
Empathize with their situation
Find a solution that meets their needs and resolves the issue
Seek assistance from a supervisor if necessary
I would prioritize based on impact, urgency, and alignment with company goals.
Assess the potential impact of each priority on key metrics or goals
Consider the urgency of each priority and any deadlines that need to be met
Evaluate how each priority aligns with the overall company goals and strategy
Communicate with stakeholders to understand their perspectives and priorities
Use a prioritization framework such as MoSCoW (...
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
I have provided good customer service in various situations by actively listening, empathizing, and finding solutions to meet their needs.
Resolving a customer's issue with a product by offering a replacement or refund
Assisting a customer with navigating a website or online account
Handling a difficult customer with patience and professionalism
Following up with a customer to ensure their satisfaction with the service pro
Received excellent customer service at a local restaurant
Staff greeted me warmly upon arrival
Waiter was attentive and knowledgeable about the menu
Manager personally checked in to ensure everything was satisfactory
I applied via Company Website and was interviewed before Aug 2023. There was 1 interview round.
I provided good service by resolving a customer's issue promptly and effectively.
Listened actively to the customer's concerns
Offered a solution that met the customer's needs
Followed up to ensure the issue was fully resolved
I received good service when a restaurant staff went out of their way to accommodate my dietary restrictions.
Staff member listened attentively to my dietary needs
Offered alternative menu options
Checked in periodically to ensure satisfaction
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Merchandiser
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Walmart
Carrefour
Metro AG