Statistics The Art And Science Of Learning From Data 4th Edition Alan Agresti, Christine A. Franklin, Bernhard Klingenberg - Solutions

The General Social Survey asked, in 2012, whether you would commit suicide if you had an incurable disease. Of the 3112 people who had an opinion about this, 1862, or 59.8%, would commit suicide.a. Describe the population of interest.b. Explain how the sample data are summarized using descriptive
Refer to Activity 2 on page 21.a. Repeat the activity using a population proportion of 0.60: Take at least five samples of size 10 each; observe how the sample proportions of successes vary around 0.60 and then do the same thing with at least five samples of size 1000 each.b. In part a, what seems
A study published in 2010 in The New England Journal of Medicine investigated the effect of financial incentives on smoking cessation. As part of the study, 878 employees of a company, all of whom were smokers, were randomly assigned to one of two treatment groups. One group (442 employees) was to
The following table shows the result of the 2012 presidential election along with the vote predicted by several organizations in the days before the election. The sample sizes were typically about 1000 to 2000 people. The percentages for each poll do not sum to 100 because of voters who indicated
Consider the population of all students at your school. A certain proportion support mandatory national service (MNS) following high school. Your friend randomly samples 20 students from the school and uses the sample proportion who support MNS to predict the population proportion at the school.
The figure shown is a graph published by Statistics Sweden. It compares Swedish society in 1750 and in 2010 on the numbers of men and women of various ages, using age pyramids. Explain how this indicates thata. In 1750, few Swedish people were old.b. In 2010, Sweden had many more people than in
The Voice of the People poll asks a random sample of citizens from different countries around the world their opinion about global issues. Included in the list of questions is whether they feel that globalization helps their country. The reported results were combined by regions. In the most recent
The General Social Survey in 2012 asked whether we should allow antireligious books in the library. Of the 3077 people who responded, 23% said they should be removed. Identify (a) The sample, (b) The population, (c) The sample statistic reported.

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