Histogram A histogram is from of graphical representation of grouped frequency distribution with continuous classes. In a histogram data represents like the bar graph, but it there is no gap between rectangular bars. The rectangular bars show the area of proportional to the corresponding frequency of a variable and the width of the bars represents […]
Read More →Surface Area of a Right Circular Cone – Definition – Formula – Example Right Circular Cone Definition: (1) The surface area of a cone is sum of area of its base and lateral(side) surface. (2) The Lateral Surface Area of a cone is area of its […]
Read More →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. […]
Read More →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 […]
Read More →Chart or Graph Definition – Examples A chart is a graphical representation of data, in a chart the data is represented by symbols, such as a bar chart represented by bars, pie chart by slices or a line chart by lines. Type of charts 1. […]
Read More →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 […]
Read More →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 […]
Read More →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 […]
Read More →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 […]
Read More →Mean of Grouped Data 1. The mark obtained by 30 students of class 6th in physics paper consisting of 100 marks are given in below table. Find the mean of marks obtained by the students? Marks obtained xi 10 20 36 40 50 56 60 70 72 80 88 92 95 Number ofstudents fi 1 1 […]
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