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Wilcoxon signed-rank test

You'll explore the difference between the proportion of county-level votes for the Democratic candidate in 2012 and 2016 to identify if the difference is significant.

sample_dem_data is available, and has columns dem_percent_12 and dem_percent_16 in addition to state and county names. The following packages have also been loaded: pingouin and pandas as pd.

This exercise is part of the course

Hypothesis Testing in Python

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Hands-on interactive exercise

Have a go at this exercise by completing this sample code.

# Conduct a paired t-test on dem_percent_12 and dem_percent_16
paired_test_results = ____ 




# Print paired t-test results
print(paired_test_results)
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