gaps and cluster points

Which of the following statement(s) is/are not true about histograms? I. The bars must touch each other. II. The width of each class must be same. III. A histogram for a given set of data may be symmetric or skewed depending on the selection of class width and boundaries. IV. Histograms should not ..

>Dotplots, back-to-back stemplots, parallel boxplots Comparing center and spread: within group, between group variation Comparing clusters and gaps Comparing outliners and other unusual features Comparing shapes Exploring bivariate data: Analyzing patterns in scatterplots Correl..

Metre Bridge - This is the simplest form of wheatstone bridge and is specially useful for comparing resistances more accurately. The construction of the metre bridge is as shown in the below figure. It consists of one metre resistance wire clamped between two metallic strips bent at right angles an..

Question: The theme of your school magazine this year is 'Generation Gap'. You write an article for it in a light-hearted vein, on the major source of conflict between yourself and your parents - eating habits. Write this article using your own ideas and those from the unit 'Childre..

When a force is applied on a surface in a direction perpendicular to the surface, the force is called thrust. Pressure on a solid surface is the thrust per unit area of the surface. Pressure is a scalar quantity. The SI unit of Pressure is N m - 2 or Pascal (Pa) Pressure varies according t..

Fuse Arrangement The fuse is a short piece of wire made of a material of high resistance and of low melting point so that it may easily melt due to overheating when excessive current passes through it. Generally an alloy of lead and tin is used as fuse wire. The fuse wire 'F' is stret..