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Posted: April 20th, 2022
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= ________
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