InterviewSolution

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1.	Data represented through arithmetic line graph help in understanding: (i) long term trend (ii) cyclicity in data (iii) seasonality in data (iv) all of the above
Answer» Correct Answer - (i) i) Long term trend

2.	In the first quadrant, the values of X and Y are :A. `+ve`B. `-ve`C. X is +ve and Y is -veD. none of these
Answer» Correct Answer - A A

3.	In which quadrant, the value of X will be positive but that of Y will be negative ?A. 1stB. 2ndC. 3rdD. 4th
Answer» Correct Answer - D D

4.	Graphs are always drawn with reference to :A. scaleB. originC. both (a) and (b)D. none of these
Answer» Correct Answer - A A

5.	One variable graphs not necessarily shows the values of only one variable with respect to some time period. (True/False)
Answer» Correct Answer - False

6.	Horizontal line from left to right on a graph is called ordinate. (True/False)
Answer» Correct Answer - False

7.	Describe the general rules of constructing a diagram.
Answer» There are certain rules to effectively present the data and information in the graphical representation. They are: Suitable Title: Make sure that the appropriate title is given to the graph which indicates the subject of the presentation.Measurement Unit: Mention the measurement unit in the graphProper Scale: To represent the data in an accurate manner, choose a proper scale.Index: Index the appropriate colours, shades, lines, design in the graphs for better understandingData Sources: Include the source of information wherever it is necessary at the bottom of the graph.Keep it Simple: Construct a graph in an easy way that everyone can understand.Neat: Choose the correct size, lettering, colours etc in such a way that the graph should be a visual aid for the presentation of information.

8.	Describe the limitations of graphic presentation.
Answer» Provides vague ideas – While diagrams offer a vague idea about the problem, it is useful only to a common man. An expert, who seeks an exact idea of the problem cannot benefit from them. Limited information – Classified and tabulated data provides more information than diagrams. Low precision – Diagram offer a low level of precision of values. Restricts further data analysis – Diagrams do not allow the user to analyze the data further. Portrays limited characteristics – Diagrams tend to portray only a limited number of characteristics. Therefore, it is difficult to understand a large number of characteristics using diagrams. A possibility of misuse – Sometimes diagrams are misused to present an illusory picture of the problem. Fail to present a meaningful look in certain situations – If the data has various measurements and wide variation, then diagrams do not present a meaningful look.

9.	Describe the advantage s of graphic presentation.
Answer» 1.Graphical Representations makes it easy to understand and interpret data at a glance. 2.It also helps to do comparisons among many things. 3. Moreover it makes data easy to recall.