摘要：
Standard deviation, represented by the Greek Letter sigma σ, is a measure of dispersement in statistics. It shows you how spread out y... 阅读全文
摘要：
In each case, we'll illustrate how to perform the hypothesis tests of this lesson using summarized data.Hypothesis Test for One Varian... 阅读全文
摘要：
Sample MeansThe sample mean from a group of observations is an estimate of the population mean. Given a sample of sizen, consider n i... 阅读全文
摘要：
Question:I'm less than a year into C++ development (focused on other languages prior to this) and I'm looking at a guy's code who's be... 阅读全文
摘要：
When I create a function, I can put the code for it after main if I put the prototype above main. For example,int myFunction(int a){re... 阅读全文