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McKinsey Data Scientist Interview Questions

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Data Scientist Management Consultant

Asked at McKinsey • 5 months ago
In what cases should you use the median instead of the mean?
Data Scientist
Statistics & Experimentation
1 answer I was asked this
"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
Asked at McKinsey • 5 months ago
One of your clients has experienced a 20% decline in profits. What would you do?
Data Scientist
Analytical
+1 more
Add answer I was asked this
Data Scientist
Analytical
+1 more

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