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Cartogram or Mapograph:
Statistical maps are also used to represent data like density of population indifferent states in the country or different countries in the world or the distribution of rainfall etc. They are usually used to depict the quantitative facts on regional or geographical basis. Cartograms are simple and elementary forms of visual presentation and are very easy to understand. While highlighting the regional or geographical comparisons, comparisons, mapographs or cartograms are generally used.
Variance The term variance was used to describe the square of the standard deviation by R.A.Fisher. The concept of variance is highly important in areas where it is possible to
velocity of a particle which moves along the s-axis is given by v=2-4t+5t then find position velocity,acceleration
The following data give the repair costs (in RM) for 30 randomly selected cars from a list of cars involved in collisions. a) By using RM 1 as the lower limit of the first
There are situations where none of the three averages is fully satisfactory. For example, if the number of items in a series is very small, none of these av
Grouped Data For calculating mode from a frequency distribution, the following formula Mode = L mo + x W where,
Examples of grouped, simple and frequency distribution data
Normal Distribution Meaning: According to ya Lun Chou There perfectly smooth and symmetrical curve, resulting from the expansion of the binomial (p+q) n when n approac
Assumptions in ANOVA The various populations from which the samples are drawn should be normal and have the same variance. The requirement of normality can be discarded if t
Using Chi Square Test when more than two Rows are Present To understand this, let us consider the contingency table shown below. It gives us the information about the stage
Let X 1 and X 2 be two independent populations with population means μ 1 and μ 2 respectively. Two samples are taken, one from each population, of sizes n 1 and n 2 re
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