Negative correlation

A negative correlation is a relationship between two variables in which one variable decreases as the other variable increases, and vice versa. In other words, when one variable decreases, the other variable decreases, and when one variable increases, the other variable decreases. For example, there is a negative correlation between the number of hours you … Read more

Mersenne prime (or Marsenne prime)

A Mersenne prime is a prime number that is one less than a power of two. That is, it is a prime number of the form 2^n-1 for some integer n. The first few Mersenne primes are 3, 7, 31, 127 (corresponding to n = 2, 3, 5, 7). There are only a finite number … Read more

Fractal

A fractal is a natural phenomenon or a mathematical set that exhibits a repeating pattern that is similar at every scale. Fractals are found in the natural world, in plants, animals, and even in the human body. They can also be found in the man-made world, in architecture, art, and music. Fractals are not limited … Read more

Integer

An integer is a whole number that can be positive, negative, or zero. Whole numbers are the numbers 0, 1, 2, 3, 4, and so on (they go on forever). Negative numbers are the numbers -1, -2, -3, and so on (they go on forever in the negative direction). Zero is neither positive nor negative. … Read more

Leonardo Fibonacci (Pisano)

Leonardo Fibonacci (Pisano) was an Italian mathematician who is best known for his Fibonacci sequence. This sequence is a series of numbers in which each number is the sum of the two previous numbers. The sequence begins with 0 and 1, and the next number in the sequence is 1 (0+1=1). The third number in … Read more

Learning curve

A learning curve is a graphical representation of how an individual’s performance improves with practice or experience. The steepness of the curve indicates how quickly the person learns; a shallower curve indicates slower learning, while a steeper curve indicates faster learning. The learning curve concept is often used in business to analyze the cost-effectiveness of … Read more

Binomial distribution

A binomial distribution is a probability distribution that describes the outcome of a given number of Bernoulli trials. In a Bernoulli trial, there are only two possible outcomes: success or failure. The binomial distribution describes the probability of getting a certain number of successes in a given number of trials. The binomial distribution is a … Read more

Demographic

A demographic is a type of data that is used to describe a population. This can include information on the size, age, gender, race, and income of a group of people. Demographics are often used in marketing and advertising to target specific groups of people. What are examples of demographics? There are many possible examples … Read more