Which of the following statements is FALSE?
a. If all the members of a population were identical there would be no need for sampling.
b. In cases of perfect homogeneity a single case could represent an entire population.
c. In cases of perfect heterogeneity a single case could represent an entire population.
d. Because elements within the population differ, we need to do careful sampling.
e. A truly representative sample will accurately reflect an entire population.
C
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Guidelines suggest that about 150 minutes of intense anaerobic training weekly, along with some whole body strength training and balance work, is enough to produce positive health benefits in the elderly.
Answer the following statement true (T) or false (F)
Which of the following media played an especially vital role in the exchange of information, including a survivor registry, following the World Trade Center attack on September 11?
A. Internet B. Radio C. Newspaper D. Television
Black and Native American families draw on large _____ networks to help in time of hardship
Fill in the blank(s) with the appropriate word(s).
The following data are taken from the U.S. Census Bureau and are the proportion of residents in U.S. states who lacked health insurance between 2001 and 2003. Suppose we added one additional state, Oregon, to the groups of states currently being considered. If the proportion of residents without health insurance in Oregon is .17, what is the value of the mean for this distribution? StateProportion of Residents without Health InsuranceLouisiana.19New Jersey.13New York.16Pennsylvania.11Rhode Island.09South Carolina.13Texas.25Washington.14Wisconsin.10
What will be an ideal response?