Adult males are taller, on average, than adult females.Visiting two recent American
Youth Soccer Organization (AYSO)under 12 year old (U12)soccer matches on a
Saturday, you do not observe an obvious difference in the height of boys and girls of
that age.You suggest to your little sister that she collect data on height and gender of
children in 4th to 6th grade as part of her science project.The accompanying table shows
her findings.
(a)Let your null hypothesis be that there is no difference in the height of females and
males at this age level.Specify the alternative hypothesis.
Correct Answer:
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