Tag: frequency polygons

Questions Related to frequency polygons

From the below mentioned what, if missed, makes the graphic presentation incomplete

economics frequency polygons collection, organisation and presentation of data frequency polygon and frequency curve diagrammatic presentation of data

  1. Unit of measurement

  2. Suitable scale

  3. Suitable title

  4. All of the above

Show answer
Correct Option: D

Graph is a useful tool as _______________.

economics frequency polygons collection, organisation and presentation of data frequency polygon and frequency curve diagrammatic presentation of data

  1. only limited information can be achieved

  2. information provided is not useful for an expert

  3. not precisely correct

  4. it does not require that the person who is using graph should know mathematics

Show answer
Correct Option: D

For drawing a frequency polygon of a continous frequency distribution, we plot the points whose ordinates are the frequencies of the respective classes and abcissae are respectively :

maths frequency polygons data handling and analysis frequency polygon and frequency curve diagrammatic presentation of data

  1. upper limits of the classes

  2. lower limits of the classes

  3. class marks of the classes

  4. upper limits of perceeding classes

Show answer
Correct Option: C
Explanation:

We draw the class marks on the abscissae, class marks are the mean of lower and upper limit of the class intervals.