• Describe the characteristics of a standard normal distribution. • Find the probability of some range of z values in a standard normal distribution. • Find z scores corresponding to regions under the ...

Forecasting for any small business involves guesswork. You know your business and its past performance, but you may not be comfortable predicting the future. Using Excel is a great way to perform what ...

Through the PowerPoint there are links to Youtube videos, GeoGebra and Desmos interactives. The PowerPoint has worked examples, and student exercises. I have also put in past paper exam questions for ...

If we plot the probability (density) function (PDF) on a graph with vertical axis as probability and horizontal axis as value of X, then that plot is called a "distribution." The PDF is aptly named ...

Students of statistics and researchers in search of a stats review will appreciate the Probability-Distributions app designed by Dr. Matthew Bognar at the University of Iowa. The app includes ...

Anyone familiar with basic statistics is familiar with the concept of a bell curve. A bell curve is a visual representation of normal data distribution, in which the median represents the highest ...