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Applied Dаtа Exаmple 2 (Questiоns 13-20): ANOVA and Dummy cоdes fоr multi-categorical independent variable The Childhood Asthma Management Program (CAMP) was a placebo-controlled randomized clinical trial carried out in children with asthma. The trial was designed to determine the long-term effects of 3 treatments (budesonide, nedocromil, or placebo) on pulmonary function as measured by normalized **Forced Expiratory Volume in 1 second (FEV1)** over a 5-6.5 year period. Both medications were administered via a bronchodilator which are medications that relax the muscles around the airways in your lungs and are often administered via an inhaler. The ANOVA example considers both treatments budesonide and nedocromil as separate groups in addition to the placebo group labeled `tg` in the dataset. Research Question and Primary Variables Researchers were interested in determining if the budesonide and nedocromil medications improve FEV1 compared to placebo in children with asthma. Grouping variable = tg Outcome variable = posfev48 – Post-bronchodilator FEV1 scores after 48 month follow-up The means for the groups are: Budesonide 2.83 Nedocromil 2.77 Placebo 2.79