[Step-by-Step] QUESTION: A study of 200 individuals found mean age xbar=33.5 years with sample standard deviation s =4.9 years. (a) Calculate the standard
QUESTION: A study of 200 individuals found mean age xbar=33.5 years with sample standard deviation s =4.9 years. (a) Calculate the standard error (SE) of the mean based on this information, (b) How many individuals would we need to eliminate from the study to increase the SE of the mean to 1.44 years?
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