Mathematics
The runs scored by two teams A and B on the first 42 balls in a cricket match are given below :
| No. of balls | Runs scored by Team A | Runs scored by 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 |
Related Questions
In a study of diabetic patients, the following data was obtained :
Age (in years) No. of patients 10 - 20 3 20 - 30 8 30 - 40 30 40 - 50 36 50 - 60 27 60 - 70 15 70 - 80 6 Represent the above data by a histogram and a frequency polygon.
The number of matchsticks in 40 boxes on counting was found as given below:
44, 41, 42, 43, 47, 50, 51, 49, 43, 42, 40, 42, 44, 45, 49, 42, 46, 49, 45, 49, 45, 47, 48, 43, 43, 44, 48, 43, 46, 50, 43, 52, 46, 49, 52, 51, 47, 43, 43, 45.
Taking classes 40 - 42, 42 - 44 ……, construct the frequency distribution table for the above data. Also draw a combined histogram and frequency polygon to represent the distribution.
The histogram showing the weekly wages (in rupees) of workers in a factory is given alongside.
Answer the following about the frequency distribution:
(i) What is the frequency of the class 400 - 425?
(ii) What is the class having minimum frequency?
(iii) What is the cumulative frequency of the class 425 – 450?
(iv) Construct a frequency and cumulative frequency table for the given distribution.
The water bills (in rupees) of 32 houses in a locality are given below:
30, 48, 52, 78, 103, 85, 37, 94, 72, 73, 66, 52, 92, 65, 78, 81, 64, 60, 75, 78, 108, 63, 71, 54, 59, 75, 100, 103, 35, 89, 95, 73.
Taking class intervals 30 - 40, 40 - 50, 50 - 60, ……, form frequency distribution table.
Construct a combined histogram and frequency polygon.