Given:
The numbers are: 13, 15, 12, 21, 10, 14, 12.
Definition of Median:
The median is the middle value of a data set when it is arranged in ascending order. If the total number of values is odd, the median is the middle value.
Solution:
1. Arrange the numbers in ascending order:
10, 12, 12, 13, 14, 15, 21.
2. Count the number of values:
Total values = 7 (odd).
3. Identify the middle value:
The middle value is at position
The 4th value is 13.
Final Answer:
(B) 13
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120 Mins English English150 Questions300 Marks120 Mins English English10 Questions20 Marks5 Mins EnglishIf x and y are upper limit of median class and lower limit of modal class, respectively in the following distribution, then what is the value of (2x + y)?
The following is the distribution of ages (in years) of children in a group:
What is the median age (in years) of children ?
The median of the observations 6, 48, 32, 3, 37 and 18 is:
In the following frequency distribution
| Height (in cm) | 140–145 | 145–150 | 150–155 | 155–160 | 160–165 | 165–170 |
| No. of students | 13 | 15 | 9 | 10 | 8 | 5 |
The sum of the upper limit of the modal class and the lower limit of the median class:
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76, 35, 42, 49, 95, 21, 68, 41, 20, 27, 17
The mode and median of data are 36.3 and 62, respectively. What is the mean of the data?
(Use the empirical formula)
The mode and median of a dataset is 52.7 and 65, respectively. What is the mean of the dataset? (Use empirical formula, and round off your answer to one decimal place.)
Correct relation for the numbers 10, 7, 8, 5, 6, 8, 5, 8, 6 is:
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