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StatisticsCovid19 has led the world to go through a phenomenal transition . Elearning is the future today. Stay Home , Stay Safe and keep learning!!! Statistics : The methods of analysis of any collection of data are covered by the branch of mathematics called Statistics.It is the study of the collection, organization, analysis, and interpretation of data.It deals with all aspects of this, including the planning of data collection in terms of the design of surveys and experiments. Measures of central tendency is also included in statistics. The mean, median and mode are the measure of Central Tendency. It is difficult to draw conclusions from a large amount of numerical data. So if data are represented pictorially, then it is very easy to understand. The data can be represented by many ways, such as Bar graph, Histogram, Pie chart etc. The advantages and disadvantages of some graphs are as follows:
Another way of representing data is tabular form in order to study their salient features. Such as arrangement is called presentation of data. The raw data when put in ascending or descending order of magnitude is called an array. There are different way in which data can be represented. The raw data can be arranged in any one of the following ways : 1) Serial order of alphabetical order. 2) Ascending order. 3) Descending order. Statistics • Statistics • Pictograph • Pie chart • Bar Graph • Double Bar Graph • Histogram • Frequency polygon • Frequency distribution (Discrete ) • Frequency distribution( continuous or grouped) • Measures of central tendency ( Mean, Mode and Median) • Ogive or Frequency curve. 7th grade math Home Covid19 has affected physical interactions between people. Don't let it affect your learning.
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