Statistics 2 min read
Statistics – Chebyshev’s Theorem
The fraction of any set of numbers lying within k standard deviations of those numbers of the mean of those…
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Statistics 1 min read
Statistics – Central limit theorem
If the population from which the sample has a been drawn is a normal population then the sample means would be equal…
Statistics 1 min read
Statistics – Boxplots
The box plot is a standardized way to display the distribution of data based on following five number summary. 1. Minimum…
Statistics 1 min read
Statistics – Z table
Standard Normal Probability Table The following table shows the area under the curve to the left of a z-score: z…
Statistics 1 min read
Statistics – Weak Law of Large Numbers
The weak law of large numbers is a result in probability theory also known as Bernoulli’s theorem. Let P be…
Statistics 2 min read
Statistics – Venn Diagram
Venn diagram is a way to visually represents relationship between groups of entities or objects. Venn diagrams are comprised of…
Statistics 1 min read
Statistics – Variance
A variance is defined as the average of Squared differences from mean value. Combination is defined and given by the…
Statistics 3 min read
Statistics – Black-Scholes model
The Black Scholes model is a mathematical model to check price variation over time of financial instruments such as stocks…
Statistics 3 min read
Statistics – Type I & II Errors
Type I and Type II errors signifies the erroneous outcomes of statistical hypothesis tests. Type I error represents the incorrect…
Statistics 2 min read
Statistics – Trimmed Mean
Trimmed Mean a method of averaging that removes a small percentage of the largest and smallest values before calculating the…
Statistics 1 min read
Statistics – Transformations
Data transformation refers to application of a function to each item in a data set. Here xixi is replaced by its transformed…
Statistics 1 min read
Statistics – Ti 83 Exponential Regression
Ti 83 Exponential Regression is used to compute an equation which best fits the co-relation between sets of indisciriminate variables.…
