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Explain how k-nearest neighbors (KNN) works. Write a SQL query to find the average salary by department from a given table. How would you handle missing data in a dataset? Write a Python function to calculate the mean of a list of numbers. Predict the output of a linear regression model for a given dataset.
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Data Science Intern

Interviewed at Oasis Infobyte

3.4★
Oct 15, 2024

Explain how k-nearest neighbors (KNN) works. Write a SQL query to find the average salary by department from a given table. How would you handle missing data in a dataset? Write a Python function to calculate the mean of a list of numbers. Predict the output of a linear regression model for a given dataset.

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