Frequency polygon and frequency curve - class-XI
| Description: frequency polygon and frequency curve | |
| Number of Questions: 33 | |
| Created by: Palash Sundaram | |
| Tags: statistics presentation of data economics data handling and analysis collection, organisation and presentation of data maths frequency distribution tables and graphs |
Fill in the blanks.
In 'More Than' Ogive, the cumulative frequencies are written corresponding to the ____[Q] limit of the classes.
On an ogive, point P whose y-coordinate $=n/2$ (i.e., half of the total number of the entries), has its x-coordinate equal to the _____[R] of the data.
Two ogives, one 'less than' type and the other 'more than' type for the same data when drawn simultaneously on the same graph, intersect each other at the point P whose _____[S] $=n/2$ and __________[T] $=$ median of the data where n is the total number of the entries of the data.
Which one of the following definitions is for frequency curve?
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 :