Question Assignment description
1. The imply physique mass index (BMI) for boys age 12 is 23.6. An investigator desires to check if the BMI is increased in 12-year-old boys residing in New York Metropolis. What number of boys are wanted to make sure that a two-sided check of speculation has 80% energy to detect a distinction in BMI of two items? Assume that the usual deviation in BMI is 5.7.
=
Alpha = ________
Z1-α/2= ________
Z1-β = ________
ES = ________
n= ________
