Pairwise t-tests
The ANOVA test didn't tell you which categories of shipment mode had significant differences in pack prices. To pinpoint which categories had differences, you could instead use pairwise t-tests.
late_shipments is available and pingouin has been loaded.
Deze oefening maakt deel uit van de cursus
Hypothesis Testing in Python
Praktische interactieve oefening
Probeer deze oefening eens door deze voorbeeldcode in te vullen.
# Perform a pairwise t-test on pack price, grouped by shipment mode
pairwise_results = ____
# Print pairwise_results
print(pairwise_results)