Locate a news article or report (in a popular news source such as Time, Newsweek, or the Wall Street Journal) in which a population mean is estimated from a sample. The article should include a margin of error and confidence interval. Discuss the subject matter in the article, and interpret the results and what the confidence interval and margin of error mean as they apply to the specific subject matter.© BrainMass Inc. brainmass.com October 10, 2019, 8:17 am ad1c9bdddf
Population in the News
This article shows the concern of the Swedish authorities regarding the boys: girls ratio in the country.
The first concern is regarding the increase of this ratio over the past years. While two years ago the „ sex ratio at birth" in Sweden was 105 boys to 100 girls, this ratio regarding the 16 and 17 year old children was 108 boys to 100 girls in 2014. But Valerie Hudson of Texas A&M University states that this year the ratio increased to 123 boys to 100 girls. This is a big ratio which does not seem to be normal. As a comparison, the authors give us the example of China, where because of the one child policy and a preference for sons, this ratio is 117 boys to 100 girls. Other authors (Johansson & Nygren, 1991) were also stating ...
The Solution provides an example pulled from the news of a population mean from a sample including a margin of error and confidence interval.