Word Problems on Grouped data (1) The blood group of 30 students of class v are recorded as follows. Represent this data in a frequency distribution table. Which is the most common and which is the rarest, blood group among these students. A, O, AB, O, A, B, O, A, A, AB, A, B, O, A, […]
Read More →Bar Graph Problems and Solutions Example: (1) Favourite colour of 200 students of a class are given in the below table. Answer the following questions with the help of the bar graph. (1) Which is the most preferred colour and which is the least preferred?(2) How many students preferred red colour? Solution: First we choose a suitable […]
Read More →Pictograph – Advantage and Disadvantages Advantage of a pictograph A pictograph is simple and easy to analysis. In a pictograph objects or symbols represents numbers, is more interesting and easier to understand. Disadvantages of a pictograph Pictograph is […]
Read More →Pie Graph or Pie Chart – Definition and Examples Pie Graph (Pie Chart) Definition: A “pie graph or (pie chart)” is a circular chart divided into sectors, each sector represents a proportionate part of a whole. A pie graph is used to compare parts of a whole. The circle represent the whole. Sector: In a pie graph, the […]
Read More →Statistics and Probability Symbol List Symbol Symbol Name 1. P(A) probability function 2. P(A ∪ B) probability of events union 3. P(A ∩ B) probability of events intersection […]
Read More →Surface Area and Lateral Surface Area Cuboid In our day life, when we look around the room in our house we can see may things that has a shape of rectangular box. We use many box shaped objects, like a shoe box, a book a TV etc. The shape of all these objects have same, […]
Read More →Right Circular Cylinder Surface Area of a Right Circular Cylinder Definition: Right Circular Cylinder A Right Circular Cylinder is a three dimensional object, whose base is circle and the height (axis) is the line joining the centers of bases. We take a rectangular sheet of a paper whose length […]
Read More →How to calculate the volume of a cube with examples A cube is a solid box of six square faces, all of which sides have equal in length and every square is same in area. A cube has, (1) Six surfaces (2) Eight vertices (3) Twelve edges or sides of equal length Volume of a […]
Read More →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 […]
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