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What is In a study, two groups of newborns are checked for their weights based on whether their mothers received food supplements or not. The appropriate test which can be used for comparing the data is: and explain in detail?
Ans: C. Student's T-test(Ref Park 22/e p795; Biostatistics by Mahajan 7/e p134)Here, comparing a parametric quantitative variable (weight) in two unrelated group of people.Hence, "Student's t-test" used.Student t-test:Used when outcome variable is normally distributed in population (for quantitative data).Ex: BP, blood glucose.