One Method of Human Locomotion That Appears to Have No

question 5

Essay

One method of human locomotion that appears to have no function except to expressjoy is hopping, a skill usually learned in early and middle childhood. Each person ina random sample of female students and a random sample of male students at a largemiddle school was asked, "Approximately how long ago did you last spontaneouslyhop?
" The total sample sizes and the numbers who responded "Less than 1 weekago" are given in the table below:
a) Construct a 95% confidence interval for the difference in the populationproportions of males and the proportion of females at this school who wouldrespond "2-3 weeks."
b) Referring to your work in part (a), does there appear to be a difference betweenthe population proportions of men and women responding "2-3 weeks?
" Providestatistical justification for your answer.

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Definitions:

Policies of Containment

Strategies aimed at preventing the expansion of a hostile power or ideology, most notably associated with the United States' approach to combating the spread of communism during the Cold War.

Jawaharlal Nehru

The first Prime Minister of India, serving from 1947 until 1964, and a central figure in Indian independence and the shaping of modern India.

Soviet Union

A former federal socialist state in Eastern Europe and northern Asia, existing from 1922 to 1991, known for its centralized economy and government.

Joseph McCarthy

A U.S. senator known for his anti-communist activities and accusations in the early 1950s, leading to the term "McCarthyism."