Question

Frequency polygon
Weight of childrens (kg)
18-19 , 19-20, 20-21, 21-22 , 22-23, 23-24.
Number of childrens 4,13,15,19,17,6

Answer 1

frequency polygon  attached

Step-by-step explanation:

Weight of children (kg)    Number

18-19                                    4

19-20                                   13

20-21                                   15

21-22                                   19

22-23                                  17

23-24                                   6

A frequency polygon is another type of frequency distribution graph. In a frequency polygon, the number of observations is marked with a single point at the midpoint of an interval. A straight line then connects each set of points.

Learn more:

Draw a frequency polygon for the following grouped frequency ...

https://brainly.in/question/11759799

Answer 2

Frequency polygon for given data:

  Weight(Kg)      Number of Children

   18-19                           4

   19-20                          13

   20-21                          15

   21-22                          19

   22-23                          17

   23-24                           6

• Frequency polygon is drawn by joining the points plotted with midpoints of classes against frequencies.
• In this problem,

         - weights are taken on X-axis

         - number of children on Y-axis