The normal distribution is a bell-shaped curve where data clusters symmetrically around the mean, useful in statistics and natural phenomena modeling.
Customer acquisition cost (CAC) is the cost of resources you spend to acquire new customers. If the customers churn before you get your money’s worth, you face losses. So, ultimately a low churn rate would mean that the money you spend on acquiring customers is not wasted....
1. What does the underlined part “the joke was on us” in Paragraph 1 mean? A.We were actually joking. B.We were laughed at by others. C.We were underestimating ourselves. D.We were just embarrassing ourselves.2. What is Paragraph 2 mainly about? A.What Blinkist is. B.Why Blinkist...
What does R’s name mean? The R language got its name for two reasons: because R is the first letter in the inventors’ names, and because R is a play on the name of its parent language S, which was originally developed by Bell Telephone Laboratories. R and S and Scheme To fully ...
In statistics, the standard deviation is the square root of the variance. Both the variance and the standard deviation are measures of spread in the distribution, i.e. by how much the distribution is spread out from the mean. The standard deviation measures the increments of...
Each of the four sections of the MCAT is scored between 118 and 132, with the mean and median at 125. The total MCAT score range is between 472 to 528, with the mean and median at 501. Why such odd numbers? According to the AAMC, this scale emphasizes the importance of the central...
Let’s start with defining the termlikelihood. In everyday conversations the termsprobabilityandlikelihoodmean the same thing. However, in a statistics or machine learning context, they are two different concepts. Using the termprobability, we calculate how probable (or likely) it is to draw a ...
How much money does a digital marketing agency make? The size of your digital marketing agency will have a major impact on your annual revenue. It’s estimated that about 70% of the market makes less than $1.5 million annually, while large companies can make upwards of $30 million each ...
Because it is a branch of algebra, statistics includes a large number of variables, which are unknown quantities that are determined through calculation. Learning statistics requires understanding differences among the many types of symbols that are ...
But admissions statistics vary across schools, so understanding how your LSAT score compares to others in a particular program is as important as your actual score. So, what is a good LSAT score? The answer isn’t quite as clear-cut as a simple number. Here's what to know....