Calculate Correlation in Python with Pandas using a Google Data Science Interview Question

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Merge pandas data frames and calculate correlation between variables in Python using a Google data science interview question as an example. Find the correlation between the time spend exercising and the number of emails sent on a given day. This tutorial will teach you how to merge pandas data frames and calculate correlation between two variables in Python. For more data science interview questions visit StrataScratch at the link below.

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When we're at 11:40, don't the days from the email and the days from the fitness have to be matched? Otherwise you're taking the correlation between random days?

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