Bureau Veritas Data Analyst Interview Questions and Answers

Q1. Customer service
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Q2. Customer rating
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Q3. Products service
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Q1. Online service products view the customer service
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Q2. Customer impress
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Q3. Customer rating
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Marketing and sales management

Every products customer satisfaction

Customer ratings ponits

Company products reach the customer

Products delivered online or offline

Customer service and satisfied

Customer ratings and satisfied

Customer service equipment

Q1. Tell me about yourself, ms office related questions, etc
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Q1. Normal Screening round of job discription
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Q1. What is k-Means clustering in ML
Ans. 
k-Means clustering is a popular unsupervised machine learning algorithm used for grouping similar data points together.
• It is used for clustering similar data points together based on their similarity.

• The algorithm works by iteratively assigning data points to clusters and updating the cluster centroids.

• The number of clusters is determined by the value of k.

• It is widely used in image segmentation, customer segmentation,...read more
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Q2. Comparision of Vlookup and Index Match in excel
Ans. 
Vlookup is simpler but Index Match is more flexible and efficient.
• Vlookup searches for a value in the leftmost column of a table and returns a corresponding value from a specified column.

• Index Match uses the Index function to find the position of a value in a table and the Match function to return the corresponding value from another column.

• Index Match is more flexible as it can search for values in any column and can ...read more
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