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McKinsey Interview Questions

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Data Scientist Management Consultant

Data Scientist Management Consultant

Asked at McKinsey, Amazon, Dropbox + 6 more • 4 days ago
Tell me about a technical challenge that you have overcome.
Software Engineer
Behavioral
+5 more
1 answer
"performance issues and sudden spikes on input requests by scaling techniques and optimization."
Srini K. - "performance issues and sudden spikes on input requests by scaling techniques and optimization."See full answer
Software Engineer
Behavioral
+5 more
Asked at McKinsey • a year ago
One of your clients has experienced a 20% decline in profits. What would you do?
Data Scientist
Analytical
+1 more
1 answer
"Spoiled food In a process I improved, I streamlined how tasks were assigned to reduce delays and confusion."
Ruth A. - "Spoiled food In a process I improved, I streamlined how tasks were assigned to reduce delays and confusion."See full answer
Data Scientist
Analytical
+1 more
Asked at McKinsey • a year ago
In what cases should you use the median instead of the mean?
Data Scientist
Statistics & Experimentation
1 answer
"The cases where data is under heavy outlier influence. Since mean fluctuates due to the presence of an outlier, median might be a better measure"
Himani E. - "The cases where data is under heavy outlier influence. Since mean fluctuates due to the presence of an outlier, median might be a better measure"See full answer
Data Scientist
Statistics & Experimentation

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