sho 40 28.5 min Population standard deviation dev 35.2 min 7.2 min nat Source: www.census.gov 9.1 min Sou O Heights of 9-Year-Olds At age 9 the average weight 13. P (21.3 kg) and the average height (124.5 cm) for both boys and girls are exactly the same. A random sample of 9-year-olds yielded these results. At a = 0.05, do the fo data support the given claim that there is a difference in heights? Boys Girls 60 50 Sample size Mean height, cm 123.5 126.2 120 98 Population variance Source: www.healthepic.com nital Stays The average length of “short hat for

MATLAB: An Introduction with Applications
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Author:Amos Gilat
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sho
40
28.5 min
Population standard deviation
dev
35.2 min
7.2 min
nat
Source: www.census.gov
9.1 min
Sou
O Heights of 9-Year-Olds At age 9 the average weight
13. P
(21.3 kg) and the average height (124.5 cm) for both
boys and girls are exactly the same. A random sample
of 9-year-olds yielded these results. At a = 0.05, do the
fo
data support the given claim that there is a difference in
heights?
Boys
Girls
60
50
Sample size
Mean height, cm
123.5
126.2
120
98
Population variance
Source: www.healthepic.com
nital Stays The average length of “short
hat for
Transcribed Image Text:sho 40 28.5 min Population standard deviation dev 35.2 min 7.2 min nat Source: www.census.gov 9.1 min Sou O Heights of 9-Year-Olds At age 9 the average weight 13. P (21.3 kg) and the average height (124.5 cm) for both boys and girls are exactly the same. A random sample of 9-year-olds yielded these results. At a = 0.05, do the fo data support the given claim that there is a difference in heights? Boys Girls 60 50 Sample size Mean height, cm 123.5 126.2 120 98 Population variance Source: www.healthepic.com nital Stays The average length of “short hat for
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