Teachers can use these tips to quickly put together the resources a substitute will need to keep students working and learning.

A logarithm is the power which a certain number is raised to get another number. Find out more about this fascinating concept ...

Visually, the larger the variance, the "fatter" a probability distribution will be. In finance, if something like an investment has a greater variance, it may be interpreted as more risky or volatile.

THE probability that a number chosen at random is divisible by p is and consequently that it is not so divisible is On simple probability considerations, that is, provided that these probabilities ...

Curriculum-linked learning resources for primary and secondary school teachers and students. Videos, games and interactives covering English, maths, history, science and more!

This textbook introduces the computer skills necessary for modern-day undergraduate and graduate students to succeed in economic and business analysis. This self-contained book features innovative ...

Under the hood, each distribution is sampled (e.g., 5,000 times by default) The distribution’s mean and sparkline are shown in the cell header You can recalculate the entire spreadsheet to regenerate ...

In a new course, students prepare for the FDA's ramped up security requirements for insulin pumps, pacemakers, and other wearables ...