हिंदी

Find the Median of the Scores 7, 10, 5, 8, 9. - Algebra

Advertisements
Advertisements

प्रश्न

Find the median of the scores 7, 10, 5, 8, 9. 

योग

उत्तर

Median = mid value

Arrange it in ascending order:

5, 7, 8, 9, 10 

∴ Median = 8  

shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
2018-2019 (July) Set 1

APPEARS IN

वीडियो ट्यूटोरियलVIEW ALL [4]

संबंधित प्रश्न

For a certain frequency distribution, the values of Assumed mean (A) = 1300, `sumf_id_i` = 900 and `sumfi` = 100. Find the value of mean (`barx`) .

 


Following is the distribution of I.Q. of loo students. Find the median I.Q.

I.Q.: 55 - 64 65 - 74 75 - 84 85 - 94 95 - 104 105 - 114 115 - 124 125 - 134 135 - 144
No of Students: 1 2 9 22 33 22 8 2 1

Compute the median for the following data:

Marks No. of students
Less than 10 0
Less than 30 10
Less than 50 25
Less than 70 43
Less than 90 65
Less than 110 87
Less than 130 96
Less than 150 100

The marks obtained by 19 students of a class are given below:

27, 36, 22, 31, 25, 26, 33, 24, 37, 32, 29, 28, 36, 35, 27, 26, 32, 35 and 28.

Find:

  1. Median
  2. Lower quartile
  3. Upper quartile
  4. Inter-quartile range

The ages of 37 students in a class are given in the following table: 

Age (in years) 11 12 13 14 15 16
Frequency  2 4 6 10 8 7

In a hospital, the ages of diabetic patients were recorded as follows. Find the median age.

Age
(in years)
0 – 15 15 – 30 30 – 45 45 – 60 60 - 75
No. of patients 5 20 40 50 25

Find the median wages for the following frequency distribution:

Wages per day (in Rs) 61 – 70 71 – 80 81 – 90 91 – 100 101 – 110 111 – 120
No. of women workers 5 15 20 30 20 8

 


Grouped frequency distribution of supply of milk to hotels and the number of hotels is given in the following table. Find the mode of the supply of milk.

Milk (Litre) 1 - 3 3 - 5 5 - 7 7 - 9 9 - 11 11 - 13
No. of hotels 7 5 15 20 35 18

If the median of the data: 6, 7, x − 2, x, 17, 20, written in ascending order, is 16. Then x=


The abscissa of the point of intersection of less than type and of the more than types cumulative frequency curves of a grouped data gives its ______.


In the following table, Σf = 200 and mean = 73. Find the missing frequencies f1, and f2.

x 0 50 100 150 200 250
f 46 f1 f2 25 10 5

The prices of different articles and demand for them is shown in the following frequency distribution table. Find the median of the prices.

Price (Rupees)
20 less than 20 – 40 40 – 60 60 – 80 80 – 100
No. of articles 140 100 80 60 20

Obtain the median for the following frequency distribution:

x : 1 2 3 4 5 6 7 8 9
f : 8 10 11 16 20 25 15 9 6

Calculate the median of the following distribution:

No. of goals 0 1 2 3 4 5
No. of matches 2 4 7 6 8 3

The abscissa of the point of intersection of the less than type and of the more than type cumulative frequency curves of a grouped data gives its ______.


The median of an ungrouped data and the median calculated when the same data is grouped are always the same. Do you think that this is a correct statement? Give reason.


Following is the distribution of the long jump competition in which 250 students participated. Find the median distance jumped by the students. Interpret the median

Distance
(in m)
0 – 1 1 – 2 2 – 3 3 – 4 4 – 5
Number of
Students
40 80 62 38 30

The median of the following data is 525. Find the values of x and y, if the total frequency is 100.

Class interval Frequency
0 – 100 2
100 – 200 5
200 – 300 x
300 – 400 12
400 – 500 17
500 – 600 20
600 – 700 y
700 – 800 9
800 – 900 7
900 – 1000 4

If in a frequency distribution, the mean and median are 21 and 22 respectively, then its mode is approximately ______.


Consider the following frequency distribution:

Class 0 – 6 6 – 12 12 – 18 18 – 24 24 – 30
Frequency 12 10 15 8 11

The median class is:


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×