Exercise

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.

Instructions 1/3

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  • Perform pairwise t-tests on late_shipments's pack_price variable, grouped by shipment_mode, without doing any p-value adjustment.