time zone data

When metals are required in a ultra pure state, the zone refining method is used. The principle-employed states that the impurities, which lower the melting point of a metal remain preferentially dissolved in the liquid phase and purer metal will emerge in the solid phase. In actual prac..

Most people show lack of interest or have no time to go through facts and figures given in a daily newspaper or a magazine. But if these figures are graphically presented, they become easier to grasp and catch the eye and have a more lasting effect on the reader's mind. The graphical repr..

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 Graphs 2. Pi..

Results and observations of scientific experiments should be properly recorded under headed columns and numbered rows. The headings must include the units in which each quantity is measured. Graphs are very helpful in comparing measurements. The general rule in plotting the graph of a given ..

How many data values appear 4 times in the stem-and-leaf plot? => 3 or 6 or 4 or 5..

The stem and leaf diagram indicates the ages of the employees in an organization. How many times do you find the data value 22 in the diagram? => 3 or 1 or 2 or 0..

How many times does the data value 8 appear in the stem-and-leaf plot? => 6 or 4 or 5 or 3..

The stem and leaf plot represents the salaries (in thousands) of full-time teachers in a school. Find the range of the data. => $12,000 or $15,000 or $14,000 or $20,000..

Which of the following statement(s) is/are true? I. A Pareto chart is used for categorical data. II. An ogive is used to represent quantitative data. III. Pareto chart is used to represent the data collected over a period of time. => IIonly or III only or I a..

Velocity-Time Graph - The variation of velocity with time can be represented graphically to calculate acceleration exactly like we calculated speed from distance-time graph. Let us now plot a velocity-time (v - t) graph for the following data. Veloc..