You are a child psychologist studying smiling as children age For 25 infants you measure the number of times a child smiles in a

Question

You are a child psychologist studying smiling as children age For 25 infants you measure the number of times a child smiles in a day at 12 months old and again at 36 months old The normality assumption is met Choose the best type of test of two means to assess this research question O Two sided unpooled variance t test Two sided pooled variance t test Two sided paired t test Two sided Mann Whitney U test One sided unpooled variance t test One sided Mann Whitney U test

Kunduz · Accepted Answer

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