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17. The bar graph below summarizes information a
New York City Survey of Elementary School Children
(NYC DOHMH and DOE 2003). In a random sample
of 400 Hispanic NYC schoolchildren, what is the
expected number who are obese and the standard
deviation?
Percent of elementary school
children who are obese
20
15
LL
T
Obesity in NYC elementary schools is highest among
Hispanic children-nearly 1 in 3
16
White
23
Black
31
Hispanic
A) mean 124; standard deviation 7.7
B) mean 148; standard deviation 7.7
C) mean 124; standard deviation 9.25
D) mean 148; standard deviation is 9.66
E) mean 124; standard deviation 11.1355
14
Asian
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