Construction of Frequency Polygon without using Histogram
Trending Questions
Q. The graph below shows the ages of presidents of a country at the time of inauguration or start of their tenure.

Find the correct option(s) among the following.

Find the correct option(s) among the following.
- The total number of presidents is 45.
- The youngest president was 44 years old
- The youngest president was 39 years old.
- The oldest president is 74 years old.
Q. Which of the following things is needed in building the frequency polygon?
- Histogram
- Class marks
- Suitable scale
- Grouped data
Q. The frequency polygon below shows marks obtained by students of a class.

From the graph, it can be said that the maximum number of students have scored marks between ____.

From the graph, it can be said that the maximum number of students have scored marks between ____.
- 60-70
- 55-65
- 50-60
- 60
Q. The following data were acquired in a study of diabetic patients.
Construct a frequency polygon for the data given.
Ages | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
No. of patients | 7 | 11 | 19 | 9 | 1 |
Construct a frequency polygon for the data given.
Q.
Make a frequency polygon from the given data.
Weight(kg)NumberOfStudents35.5−40.5540.5−45.5245.5−50.51250.5−55.5255.5−60.545
Q. 45 students across the different levels of Intelligent Quotient are distributed in the grouped table given below.
Draw the frequency polygon for the data.
IQ | 60-70 | 70-80 | 80-90 | 90-100 | 100-110 | 110-120 | 120-130 |
No. of patients | 3 | 6 | 9 | 11 | 11 | 7 | 2 |
Draw the frequency polygon for the data.
Q. The following data were acquired in a study of diabetic patients.
Construct a frequency polygon for the data given.
Ages | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
No. of patients | 7 | 19 | 11 | 9 | 1 |
Construct a frequency polygon for the data given.
Q. When constructing frequency polygon, must be calculated.
- Cumulative frequency
- Average of frequency
- Median of frequency
- Class Marks
Q. 45 students across the different levels of Intelligent Quotient are distributed in the grouped table given below.
Draw the frequency polygon for the data.
IQ | 60-70 | 70-80 | 80-90 | 90-100 | 100-110 | 110-120 | 120-130 |
Students | 3 | 6 | 5 | 9 | 11 | 7 | 2 |
Draw the frequency polygon for the data.