Sometimes we are interested in obtaining a 100(1 –α) percent confidence interval whose length is less than or equal to some specified value, and the problem is to choose the appropriate sample size. For instance, suppose we want to determine an interval of length at most b that, with 95...
says the major spikes in recent autism diagnoses were primarily seen in females and older people. And this indicates the massive overall growth in numbers is more likely due to increased identification in certain demographics and not a "real" increase in people with neurodevelopm...
By now, most people are familiar with the theory that an asteroid that smacked into our planet 66 million years ago caused the extinction of the dinosaurs. But it turns out that dinosaurs might not have been the only casualty of that cataclysmic event. New analysis of the fossil record ind...
Earlier this week we brought you the news that Nintendo was not only continuing to enjoy a good run with 3DS hardware sales in its homeland, but that the top ten in the software charts were all on Nintendo systems. Chart masters Media Create have now produced some follow-up info...
Every time a new Ebola case was recorded, the researchers traced all the people who may have come into contact with the patient within the previous three weeks. This might mean people that lived in the household, people the patient came into contact with and even contacts of contacts. This ...