Mathwords A to Z With Meanings There are many types of dictionaries. English-Dictionary Graph-Dictionary etc, Graph-Dictionary contains all types of graphs English-Dictionary is common dictionary. In math-Dictionary we can find list of more than 2100 mathematical words and their meanings. Dictionary is a book in which we can see the meaning of each and every word.  […]

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Arithmetic Mean  Definition: The sum of the numerical values of each and every observation, that is divided by the total number of observations is equal to “Arithmetic Mean”.  Arithmetic Mean is also called average or mean. The Arithmetic Mean or mean or average is defined as,  Symbol:             X  = (𝚺xi)/n X = Mean […]

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                  Pictograph There are many methods of representing statistical data pictorially. One of them is picture symbols or icons. Interpreting the picture graph means drawing some conclusions from it. In graph theory, a “Pictograph” is a graph that represent (numerical) statistical data through pictures symbols or icons.  A pictograph […]

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Double Bar Graph                         Definition:  When we compare to data groups of information, situations or events we use “Double Bar.” Example: Five students marks in quarterly and half yearly examination are given below. Draw a double bar graph and give the answer of questions (1) Give the […]

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Mean Value – Word problems    In this lesson we will learn about mean. We will also learn how to find mean of given data and solve word problems on mean. How to calculate mean Example: (1)What is the mean of  1, 2, 5, and 4. Solution : Mean = Sum of observations/Number of observations the numbers […]

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Mode – Definition – Examples In this tutorial, we shall learn about mode and how to find mode of a given observation. Definition:  The mode of a data set is the value, occurring most frequently in set of observations. In other words, a data set having highest frequency of observations is its mode. How to find […]

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Range – Definition – Examples – Formula – Statistics Definition: In statistics and mathematics, range is defined as the difference between the highest and lowest value in a set of data. Range Formula The formula for the range is the highest(maximum)value minus lowest(minimum) value in a data set. Range = Highest value – Lowest value […]

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