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One method of human locomotion that appears to have no function except to express
joy is skipping, a skill usually learned in early and middle childhood. Each person in
a random sample of female students and a random sample of male students at a large
middle school was asked, "Approximately how long ago did you last spontaneously
skip?" The total sample sizes and the numbers who responded "Less than 1 week
ago" are given in the table below: a) Construct a confidence interval for the difference in the proportions of males and the proportion of females at this school who would respond "Less than 1 week." b) Referring to your work in part (a), does there appear to be evidence of a difference
in the population proportions of males and females at this school who would
respond "Less than 1 week?" Provide appropriate statistical justification for your
answer.
Gene Defects
Abnormalities in genes that can lead to various genetic disorders or diseases due to mutations or alterations in the DNA sequence.
Polygenetic Disorder
A disorder caused by the combined action of multiple genes, rather than a single gene mutation.
Biological Basis
The underlying physiological and genetic factors contributing to an organism's development and behavior.
Genetic Studies
Research focused on understanding how genes contribute to biological traits, including diseases, through the inheritance and variation of genetic information.
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