Frequency polygons - class-XII
| Description: frequency polygons | |
| Number of Questions: 31 | |
| Created by: Anumati Koshy | |
| Tags: maths frequency distribution tables and graphs data handling and analysis economics collection, organisation and presentation of data presentation of data statistics |
The measure of dispersion is a characteristics of :
Which one of the following is not a characteristics of frequency curve?
Frequency Polygon and frequency curves are one and the same.
A histogram is the same as a frequency polygon.
A frequency polygon is a graph that represents frequency distribution.
Frequency curve may be:
A curve obtained by plotting cumulative frequencies in called an Ogive.
A curve obtained by plotting cumulative frequencies is called an Ogive.
There is a difference between Histogram and Frequency polygon.
Ogive curve can be drawn for __________.
With the help of ogive curve, one can determine __________.
Ogives for more than type and less than type distributions intersect at ________.
If we plot the points of a less than type or more than type frequency distribution, the shape of graph is _________.
Non-dimensional diagrams are also known as __________.
Choice of a particular chart depends on ________.
Which of the following is one-dimensional diagram?
It is necessary to find cumulative frequencies in order to draw a/an __________.
In an Ogive curve, the points are plotted for __________.
Pictograms are shown by _________.
The graph of successive points of a distribution joined by straight lines in statistical terminology is known as _________.
Draw frequency polygon and frequency curve for the following data on land holding by the farmers.
| Area in hectare | 11 - 20 | 21 - 30 | 31 - 40 | 41 - 50 | 51 - 60 | 61 - 70 | 71 - 80 |
|---|---|---|---|---|---|---|---|
| No. of farmers | 58 | 103 | 208 | 392 | 112 | 34 | 12 |
| Class Interval | Cumulative Frequency |
|---|---|
| 10-19 | 8 |
| 20-29 | 19 |
| 30-39 | 23 |
| 40-49 | 30 |
Construct a frequency distribution table from the following cumulative frequency distribution $:$
How a frequency curve is sketched?
To show the trend for a variable, which one of the presentation method is used?
Fill the Alternative given in the bracket:
_______ is a graph of cumulative frequency distribution.
Fill the Alternative given in the bracket:
_______ is a graph representing a frequency distribution.
Fill the alternative given in the bracket:
Vertical rectangle representing class frequency in a frequency distribution is called _________.
Fill the Alternative given in the bracket:
A frequency polygon is a ________ curve.
From the below mentioned what, if missed, makes the graphic presentation incomplete
Graph is a useful tool as _______________.
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 :