more about graphical representation

Graphical representation is more informative than tables as it gives a visual representation of two quantities (e.g., speed vs. time) ..

Pressure - Volume Relationship - When temperature remains constant, the volume of a fixed mass of a gas decreases as the pressure increases, and it increases when the pressure decreases. There is an inverse relationship between pressure and volume (Fig.15.3..

Rectangular axes - The position of a point in a plane is fixed by selecting two axes of reference which are formed by combining two number lines at right angles so that their zeros coincide. The horizontal number line is called x-axis and the vertical number line is called y-axis. The point of inte..

There are various methods of graphical representation of statistical data. In our study, we learn only two types. (i) Histogram (ii) Ogive or Cumulative Frequency Cu..

The graphical representation of data makes the reading more interesting, less time-consuming and easily understandable. The disadvantage of graphical presentation is that it lacks details and is less accurate. In our study, we have the following graphs: 1. Bar Gr..

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The scientific methods of collection of data, its classification and application to commerce and everyday life is called statistics. A list of some important terms as follows: (i) ungrouped data (ii) tabulation of data (iii) range (iv) frequency (v) frequency distribution (vi) tally (vii) inc..