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I applied via Company Website and was interviewed before Apr 2023. There were 2 interview rounds.
Encountered a data discrepancy while analyzing sales data
Discovered inconsistencies in sales figures between different data sources
Investigated the issue by cross-referencing data and identifying the source of the discrepancy
Resolved the problem by updating the incorrect data and ensuring consistency across all sources
A p value is a measure of the strength of evidence against the null hypothesis in a statistical hypothesis test.
P value is a probability value that measures the likelihood of obtaining results at least as extreme as the observed results, assuming the null hypothesis is true.
A p value less than 0.05 is typically considered statistically significant, indicating strong evidence against the null hypothesis.
A p value greate...
Basic regression is a statistical method used to analyze the relationship between a dependent variable and one or more independent variables.
Regression helps in predicting the value of the dependent variable based on the values of independent variables.
It is used to understand the strength and direction of the relationship between variables.
Common types of regression include linear regression, logistic regression, and
I applied via Company Website and was interviewed before Apr 2023. There were 2 interview rounds.
Describe a problem you encountered working with your data and how you resolved it
A p value is a measure of the strength of evidence against the null hypothesis in a statistical hypothesis test.
P value is a probability value that measures the likelihood of obtaining the observed data if the null hypothesis is true.
A p value less than 0.05 is typically considered statistically significant, indicating strong evidence against the null hypothesis.
A p value greater than 0.05 suggests that the observed da...
Basic regression is a statistical method used to analyze the relationship between a dependent variable and one or more independent variables.
Regression analysis is used to predict the value of the dependent variable based on the values of the independent variables.
The most common type of regression is linear regression, where a straight line is used to model the relationship between variables.
Other types of regression ...
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I applied via Company Website and was interviewed before May 2021. There were 5 interview rounds.
Online test with questions from probability and reasoning
A case study for which we need to create a dashboard and a power point presentation.
SQL written test
I applied via Campus Placement and was interviewed before Jul 2021. There were 3 interview rounds.
The aptitude test contains questions MCQs for quants, basic statistics and basic coding questions. The aptitude also has 2 coding problems to solve which would be of easy-medium level.
The second round was live coding test, where the interviewer looks for your approach towards solving a given problem. The approach matters more than the correct syntax. All coding languages were allowed. SQL queries can also be asked.
I applied via Approached by Company and was interviewed before Aug 2021. There were 3 interview rounds.
1st Round consisted of Technical Discussion and Coding Round. I was asked to write down the logic for Prime no., Fibonacci Series, Matrix related question, etc.
I was asked to share my screen and write down logic for questions related to Strings, Arrays and 2-D matrix's.
I applied via Campus Placement and was interviewed before Jul 2021. There were 2 interview rounds.
It was difficult aptitude test. One need to be well versed in aptitude and coding ( any programming language).
I applied via Company Website and was interviewed in Jan 2021. There were 4 interview rounds.
There are infinite ways to sort an infinite array with varying complexities.
Sorting algorithms like QuickSort, MergeSort, HeapSort, etc. can be used to sort the array.
The time complexity of sorting algorithms varies from O(n log n) to O(n^2).
The space complexity also varies depending on the algorithm used.
Sorting an infinite array is not practical, so it is usually done in chunks or using parallel processing.
The sortin...
I applied via Naukri.com and was interviewed in Feb 2021. There were 4 interview rounds.
I applied via Job Portal and was interviewed in Jun 2021. There was 1 interview round.
based on 2 interviews
Interview experience
Cognizant
WNS
Capita
Gallagher