Question 1
A report on health care in the US said that 28% of Americans have experienced times when they haven't been able to afford medical care. A news organization randomly sampled 801 black Americans, of whom 38% reported that there had been times in the last year when they had not been able to afford medical care. Does this indicate that this problem is more severe among black Americans?
Explain what your
P-value means in this context.
Question 2
The International Olympic Committee states that the female participation in the 2004 Summer Olympic Games was 42%, even with new sports such as weight lifting, hammer throw, and modern pentathlon being added to the Games. Broadcasting and clothing companies want to change their advertising and marketing strategies if the female participation increases at the next games. An independent sports expert arranged for a random sample of pre-Olympic exhibitions. The sports expert reported that 202 of 454 athletes in the random sample were women. Is this strong evidence that the participation rate may increase?
Was your test one-tail upper tail, lower tail, or two-tail? Explain why you choose that kind of test in this situation.
Covance primate-testing lab, Vienna, Virginia, 2004–05
Weight management is such a hot topic in the United States that it is frequently
The Lorenz Curve for the United States, 2009
Comparison of Female and Male Pelves
Male and female Lions (Panthera leo)