例:If n distinct planes intersect in a line, and another line L intersects one of these planes in a single point, what is the least number of these n planes that L could intersect?(A) n (B) n1 (C) n2 (D) n/2 (E)(n1)/22. Triangles 三角形* 勾股定理:a2+b2=c2* 构成三角形...
English is such a hodgepodge of different languages – it’s essentially Germanic but a lot of its vocabulary comes from French, and technical words stem from Latin and Greek. This feature makes English fairly adaptable – which is a good thing for a world language – but it causes irregulari...
Base rate fallacy is a flawed reasoning pattern that causes people to believe that statistics are not relevant to the problem or question at hand. This applies to situations where we need to estimate the likelihood of something, such as someone’s occupation or favorite sport. Most people would...
This type is similar to the originalcomputer-based training. Here, online assessments are embedded within larger e-learning modules so that all learning activities occur on the computer. You ask learners to complete an e-learning module with quizzes interspersed throughout and culminating in a lon...
The statistics or data you gather from A/B testing come from champions, challengers, and variations. Each version of a marketing asset provides you with information about your website visitors. Yourchampionis a marketing asset — whether it’s a web page, email, Facebook Ad, or something els...
Baseline odds now shown, which is to say, the exponentiated intercept is displayed bylogisticand bylogitwith optionor. In fact, all estimation commands show exponentiated intercepts when optioneform()or its equivalent is specified. For example,poissonshows the baseline incidence rate when optionirri...
There are numerous reasons why a customer may decide to cut all ties with your business. So, by calculating the customer churn rate on time, you can stop other customers from following in the footsteps of those who churned away.What is the Churn Rate Formula?
However, what unlocks potential is not so much brute force, but a wide-eyed recognition of (1) where we are, and (2) a vision for where we want to be. In business, this process for unlocking potential and creating an action plan is known as gap analysis. This article walks through ...
Essentially, it is a function that describes the probability of each potential outcome of an experiment.Probability distributions are fundamental in statistics because they help us understand how random variables behave. They also come in handy for predicting the chances of different outcomes. These ...
Again, there is simply not enough information to understand fully the impact of the statistics. As a whole, these examples show that statistics are not only facts and figures; they are something more than that. In the broadest sense, "statistics" refers to a range of techniques and ...