1. (a) Distinguish between natuial scale and ratio scale for drawing graphs. In which cases should the latter be used?
(b). Point out the significance of diagrams and graphs in the presentation of data.
23. (a) What is a hist? How do you construct it?
(b) Discuss the utility of the graphic method of presenting statistical data. What points should be taken into account in the construction of graphs?
(c) Prepare more than ogive curve with imaginary figures.