Statistics Tutorial

Statistics – Z table

Statistics – Z table Advertisements Previous Page Next Page   Standard Normal Probability Table The following table shows the area under the curve to the left of a z-score: z .00 .01 .02 .03 .04 .05 .06 .07 .08 .09 -3.4 .0003 .0003 .0003 .0003 .0003 .0003 .0003 .0003 .0003 .0002 -3.3 .0005 .0005 .0005…

Discuss Statistics

Discuss Statistics Advertisements Previous Page Next Page   An operating system (OS) is a collection of software that manages computer hardware resources and provides common services for computer programs. The operating system is a vital component of the system software in a computer system. This tutorial will take you through step by step approach while…

Statistics – Weak Law of Large Numbers

Statistics – Weak Law of Large Numbers Advertisements Previous Page Next Page   The weak law of large numbers is a result in probability theory also known as Bernoulli’s theorem. Let P be a sequence of independent and identically distributed random variables, each having a mean and standard deviation. Formula $${ 0 = lim_{nto infty}…

Statistics – Venn Diagram

Statistics – Venn Diagram Advertisements Previous Page Next Page   Venn diagram is a way to visually represents relationship between groups of entities or objects. Venn diagrams are comprised of circles where each circle represents a whole set. Venn diagram can have unlimited circles but generally two or three circles are preferred otherwise the diagram…

Statistics – Type I & II Errors

Statistics – Type I & II Errors Advertisements Previous Page Next Page   Type I and Type II errors signifies the erroneous outcomes of statistical hypothesis tests. Type I error represents the incorrect rejection of a valid null hypothesis whereas Type II error represents the incorrect retention of an invalid null hypothesis. Null Hypothesis Null…