हिंदी

The weights (in kg) of 10 students of a class are given below: 21, 28.5, 20.5, 24, 25.5, 22, 27.5, 28, 21 and 24. Find the median of their weights. - Mathematics

Advertisements
Advertisements

प्रश्न

The weights (in kg) of 10 students of a class are given below:

21, 28.5, 20.5, 24, 25.5, 22, 27.5, 28, 21 and 24.

Find the median of their weights. 

योग

उत्तर

Arranging the given data in descending order:

28.5, 28, 27.5, 25.5, 24, 24, 22, 21, 21, 20.5

The middle terms are 24 and 24, 5th and 6th terms

∴ Median = `(24 + 24)/2`

= `48/2`

= 24

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 24: Measure of Central Tendency(Mean, Median, Quartiles and Mode) - Exercise 24 (C) [पृष्ठ ३७२]

APPEARS IN

सेलिना Mathematics [English] Class 10 ICSE
अध्याय 24 Measure of Central Tendency(Mean, Median, Quartiles and Mode)
Exercise 24 (C) | Q 2 | पृष्ठ ३७२

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

The following is the distribution of the size of certain farms from a taluka (tehasil):

Size of Farms
(in acres)
Number of Farms
5 – 15 7
15 – 25 12
25 – 35 17
35 – 45 25
45 – 55 31
55 – 65 5
65 – 75 3

Find median size of farms.


The numbers 6, 8, 10, 12, 13 and x are arranged in an ascending order. If the mean of the observations is equal to the median, find the value of x


The following is the distribution of height of students of a certain class in a certain city:

Height (in cm): 160 - 162 163 - 165 166 - 168 169 - 171 172 - 174
No. of students: 15 118 142 127 18

Find the median height.


Calculate the missing frequency from the following distribution, it being given that the median of the distribution is 24.

Age in years 0 - 10 10 - 20 20 - 30 30 - 40 40 - 50
No. of persons 5 25 ? 18 7

Calculate the median for the following data:

Class 19 – 25 26 – 32 33 – 39 40 – 46 47 – 53 54 - 60
Frequency 35 96 68 102 35 4

The following are the marks scored by the students in the Summative Assessment exam

Class 0 − 10 10 − 20 20 − 30 30 − 40 40 − 50 50 − 60
No. of Students 2 7 15 10 11 5

Calculate the median.


Mode and mean of a data are 12k and 15A. Median of the data is ______.


Weekly income of 600 families is tabulated below:

Weekly income
(in Rs)
Number of families
0 – 1000 250
1000 – 2000 190
2000 – 3000 100
3000 – 4000 40
4000 – 5000 15
5000 – 6000 5
Total 600

Compute the median income.


Find the modal and median classes of the following distribution.

Class 0 – 20 20 – 40 40 – 60 60 – 80 80 – 100
Frequency 11 22 19 18 7

A survey conducted on 20 households in a locality by a group of students resulted in the following frequency table for the number of family members in a household:

Family size 1 – 3 3 – 5 5 – 7 7 – 9 9 – 11
Numbers of Families 7 8 2 2 1

Find the median of this data.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×