preparation for univariate data exam

Module One: Exploring Data - Constructing and interpreting graphical displays of distributions of univariate data: Dotplot, stemplot, histogram, cumulative frequency plot Center and spread Clusters and gaps Outliners and other unusual features Shape Summarizing distrib..

Two lines AB and CD intersect at O forming four angles XOX and YOY are the lines bisecting the four angles. P is a point of (XOX) U (YOY) such that PM ^ AB and PN ^ ..

Tabulation of Data - Consider Standard IX of a school. There are four divisions in this class. Standard IX-A has 10 girls and 12 boys. Standard IX-B has 6 girls and 20 boys. Standard IX-C has 18 girls and 12 boys. Standard IX-D has 16 girls and 24 boys. This data can be represen..

Consider Standard IX of a school. There are four divisions in this class. Standard IX-A has 10 girls and 12 boys. Standard IX-B has 6 girls and 20 boys. Standard IX-C has 18 girls and 12 boys. Standard IX-D has 16 girls and 24 boy..

Which of the situations is most suitable for the categorical data? => heights of students in a class or investment in a peanut farm from 2003 to 2005 or amount spent on military over a time period or a survey on color of eyes in a school..

Most people show lack of interest or have no time to go through facts and figures given in a daily newspaper or a magazine. But if these figures are graphically presented, they become easier to grasp and catch the eye and have a more lasting effect on the reader's mind. The graphical representation..

Introduction - Facts and figures as such do not catch our attention unless they are presented in an interesting way. Graphical representation of data is one of the most commonly used modes of presentation. The different types of graphs that we are going to study are 1. Bar graphs 2. Pie c..

It is obtained by adding the raw scores and dividing the sum by the number of items. Suppose the raw scores are x 1 , x 2 , x 3 ,, x N then, mean where M = mean x = each score or item N = number of items = sigma, which means 'summation of ' Find the mean of 6, 10, 4, 12, 8. M = 8 ..

Telefacsimile's or Fax machines are a must for many businesses around the world. The fax machine however, did not become widely used until the late 1980'..