The following table gives the information regarding the number of persons employed to a piece of work and time taken to complete the work:
Plot a graph of this information.

The following table gives the information of the sales expected by a company and the actual sale during last 7 years . Draw the line graph of the information and answer the questions give below : Were the actual sale and expected sale same during which year and how much was it ?

The following data provides the information regarding the sales of coloured television sets for a period of 5 year, Draw a suitable graph to represent the data.

The following table gives the life times of 400 neon lamps : : Represent the given information with the help of a histogram.

The following table shows the sales of a commodity during the years 2000 to 2006. Draw a graph of this information.

Followig table gives information on three lines observed in the emissin spectrum of hydrogen atoms. Complete the above table by calculating the photon energy for the wavelength of 486 nm.

Following table shows the number of bicycles manufactured in a factory during the years 1998 to 2002. Draw a graph to illustrate this information.

The following data on the number of girls (to the nearest ten) per thousand boys in different sections of Indian Society is given below : : Represent the information above by a bar graph

The following data on the number of girls to the nearest ton per thousand boys in different sections of the society is given below: (i) Represent the information above by a bar graph. (ii) Write two conclusions you can arrive at from the graph, with justification.