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Online Quiz (Worksheet A B C D)

Questions Per Quiz = 2 4 6 8 10

High School Mathematics
14.17 Frequency Polygon - 2

Now let us consider a polygon where there is no class preceeding the first class.

Let us take an example which gives us the marks scored by 50 students of a class, in an exam out of 100.

The following table gives us the information about the data.

Here the first class interval is 0 - 10. So the class preceeding it would lie on the negative X axis. The midpoint of the first class interval i.e. B is joined to this point with 0 frequency on the negative axis.



Directions: On the basis of the given information answer the following questions


Q 1: The class interval with the highest frequency is
20 - 30
10 - 20
30 - 40
0 - 10

Q 2: The class interval with frequency 4 is
30 - 40
40 - 50
50 - 60
20 - 30

Q 3: The cumulative frequency upto the class interval 30 - 40 is
45
35
25
55

Q 4: The difference between the highest and the lowest frequency is
10
8
2
25

Question 5: This question is available to subscribers only!

Question 6: This question is available to subscribers only!


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