Statistical significance - vacation days
Your other observation was that employees in the sales department take fewer vacation days on average than the rest of the company. You can test whether that observation is statistically significant as well.
Cet exercice fait partie du cours
HR Analytics: Exploring Employee Data in R
Exercice interactif pratique
Essayez cet exercice en complétant cet exemple de code.
# Test the hypothesis using the survey_sales data
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