Mathematics
The runs scored by two teams A and B on the first 60 balls in a cricket match are given below:
| Number of ball | Team A | Team B |
|---|---|---|
| 1 - 6 | 2 | 5 |
| 7 - 12 | 1 | 6 |
| 13 - 18 | 8 | 2 |
| 19 - 24 | 9 | 10 |
| 25 - 30 | 4 | 5 |
| 31 - 36 | 5 | 6 |
| 37 - 42 | 6 | 3 |
| 43 - 48 | 10 | 4 |
| 49 - 54 | 6 | 8 |
| 55 - 60 | 2 | 10 |
Represent the data of both the teams on the same graph by frequency polygons. [Hint : First make the class intervals continuous.]
Related Questions
The following table gives the life times of 400 neon lamps:
Life time (in hours) Number of lamps 300 - 400 14 400 - 500 56 500 - 600 60 600 - 700 86 700 - 800 74 800 - 900 62 900 - 1000 48 (i) Represent the given information with the help of a histogram.
(ii) How many lamps have a life time of more than 700 hours?
The following table gives the distribution of students of two sections according to the marks obtained by them:
Section A
Marks Frequency 0 - 10 3 10 - 20 9 20 - 30 17 30 - 40 12 40 - 50 9 Section B
Marks Frequency 0 - 10 5 10 - 20 19 20 - 30 15 30 - 40 10 40 - 50 1 Represent the marks of the students of both the sections on the same graph by two frequency polygons. From the two polygons compare the performance of the two sections.
A random survey of the number of children of various age groups playing in a park was found as follows:
Age (in years) Number of children 1 - 2 5 2 - 3 3 3 - 5 6 5 - 7 12 7 - 10 9 10 - 15 10 15 - 17 4 Draw a histogram to represent the data above.
100 surnames were randomly picked up from a local telephone directory and a frequency distribution of the number of letters in the English alphabet in the surnames was found as follows:
Number of letters Number of surnames 1 - 4 6 4 - 6 30 6 - 8 44 8 - 12 16 12 - 20 4 (i) Draw a histogram to depict the given information.
(ii) Write the class interval in which the maximum number of surnames lie.