Useful tips for everyday
What does a Pearson correlation of 0.2 mean? If the correlation between two variables is 0, there is no linear relationship between them. For example,…
How do you measure the effectiveness of a campaign? The most reliable way to measure campaign effectiveness is to split the campaign’s target audience into…
Is hypergeometric distribution a limiting form of geometric distribution? Theorem The binomial(n, p) distribution is the limit of the hypergeometric(n1, n2, n3) distribution with p…
How do you check the accuracy of a multiple linear regression model? In regression model, the most commonly known evaluation metrics include: R-squared (R2), which…
What are the effects of customer loyalty? Loyal Customers Provide Free Benefits For Companies Customers trust what their friends say about companies and this heavily…
How do you find transition probability from data? To calculate the transition probabilities from one to another we just have to collect some data that…
What methods should we use for predicting the weather? Meteorologists and climatologists use several methods for predicting the weather: the climatology, analog, and persistence and…
What type of scale is a 5 point Likert scale? psychometric response scale A type of psychometric response scale in which responders specify their level…
Is the expected value of X and Y the same? Both X and Y have the same expected value, but are quite different in other…
What is census in simple words? Census, an enumeration of people, houses, firms, or other important items in a country or region at a particular…