Advertisements
Advertisements
Question
The marks in a subject for 12 students are as follows:
31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29
For the given data, find the range
Solution
Given data is 31, 37, 35, 38, 42, 23, 17, 18, 35, 25, 35, 29.
Rearranging the given data in ascending order,
17,18, 23, 25, 29, 31,35, 35, 35, 37, 38, 42
Range = Highest observation – Lowest observation
= 42 – 17
= 25
APPEARS IN
RELATED QUESTIONS
The rainfall (in mm) in a city on 7 days of a certain week was recorded as follows:
| Day | Monday | Tuesday | Wednesday | Thursday | Friday | Saturday | Sunday |
| Rainfall (in mm) | 0.0 | 12.2 | 2.1 | 0.0 | 20.5 | 5.5 | 1.0 |
- Find the range of the rainfall in the above data.
- Find the mean rainfall for the week.
- On how many days was the rainfall less than the mean rainfall.
Find range of following data: 1, 0, 2, 3, 2, 6, 8, 10, 12, 12, 13.
The ages in years of 10 teachers of a school are:
32, 41, 28, 54, 35, 26, 23, 33, 38, 40
(i) What is the age of the oldest teacher and that of the youngest teacher?(ii) What is the range of the ages of the teachers?
The range of the data: 21, 6, 17, 18, 12, 8, 4, 13 is ______.
The difference between the highest and the lowest observations in a data is its ______.
Some integers are marked on a board. What is the range of these integers?
Range of the data is always from the data.
The range of the data 2, –5, 4, 3, 7, 6 would change if 2 was subtracted from each value in the data.
Given below are heights of 15 boys of a class measured in cm:
128, 144, 146, 143, 136, 142, 138, 129, 140, 152, 144, 140, 150, 142, 154.
Find the range of the given data.
Age (in years) of 6 children of two groups are recorded as below:
| Age (in Years) | |
| Group A | Group B |
| 7 | 7 |
| 7 | 9 |
| 9 | 11 |
| 8 | 12 |
| 10 | 12 |
| 10 | 12 |
- Find the mode and range for each group.
- Find the range and mode if the two groups are combined together.
