An article that appeared in USA Today (August 11, 1998) described a study on prayer and blood pressure. In this study, 2391 people 65 years or older, were followed for 6 years. The article stated that people who attended a religious service once a week and prayed or studied the Bible at least once a day were less likely to have high blood pressure. The researcher then concluded that “attending religious services lowers blood pressure”. The headline for this article was “Prayer Can Lower Blood Pressure.” Write a few sentences commenting on the appropriateness of the researcher’s conclusion and on the article headline.
Answer to relevant QuestionsSometimes samples are composed entirely of volunteer responders. Give a brief description of the dangers of using voluntary response samples. Researchers at the University of Pennsylvania suggest that a nasal spray derived from pheromones (chemicals emitted by animals when they are trying to attract a mate) may be beneficial in relieving symptoms of premenstrual ...The article “Death in Roadwork Zones at Record High” (San Luis Obispo Tribune, July 25, 2001) included a bar chart similar to this one: a. Comment on the trend over time in the number of people killed in highway work ...The article “Americans on the Move” (USA Today, November 30, 2007) included the data in the accompanying table. Entries in the table are the percentage of state residents who had moved during 2006. Construct a histogram ...An exam is given to students in an introductory statistics course. What is likely to be true of the shape of the histogram of scores if: a. the exam is quite easy? b. the exam is quite difficult? c. half the students in the ...
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