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What is the normality and homogeneity of variance in the data set without the outliers using plots and statistical indicators? What are the findings? Having this, what options would you consider for analyzing these data? The dataset heart (httpszllwe.tl/t-VjOi8uler) is taken from a study examining the effect of tactile and visual therapy strategies on the physical and mental development of one-year-old infants identified at risk of developmental delay owing to heart problems. The Bayley Developmental Index was used to assess mental and physical development at one year. The dataset contains values for three variables. group - describes the therapy group where 0 = "Tactile" and 1 = "Visual" therapy strategies, mdi - scores on the mental development index subscale of the Bayley Index. , pdi - scores on the physical development index sub-scale of the Bayley index. 1