Mathematical Information and Courses from MediaLab, Inc.
These are the MediaLab courses that cover Mathematical and links to relevant pages within the course.
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| RDW is an indication of which of the following: | View Page |
| Introduction to Statistics Statistics is the branch of mathematics that deals with the organization, analysis, and interpretation of information. It is often said that statistics is the opposite of probability. A probability question would be, "If I have a fair coin and toss it ten times, how often will I get seven or more heads?" A statistics question would be "I toss a coin ten times and get seven heads. Given this information, how likely is it that this coin is fair?"Many people are uncomfortable with statistics. Statistics is one of the more confusing mathematical subjects, and deals with many subtle concepts. Often the interpretation of a result is more difficult than calculating the result in the first place. This course will attempt to make clear both the calculations and the interpretation of those results. | View Page |
| Introduction to the Normal Distribution Many of the data sets you will study will follow a similar distribution, with a peak around a certain value, and a few data points that lie outside the central cluster. This curve is called the normal distribution, the bell curve or the Gaussian distribution. A typical normal distribution and its formula are shown below: In this example, μ = 0 and σ = 1. As you can see, the population mean μ and population standard deviation σ appear explicitly in the formula for the normal curve. The normal curve appears in many areas of science, due to a mathematical result called the Central Limit Theorem. This theorem states that when many distributions are added together, the sum will look like a normal distribution, no matter what the original distributions were. So if the quantity you are measuring is the result of many factors, as most biological processes are, that quantity will often be normally distributed. | View Page |