Find the arithmetic mean of all odd numbers between 90 and 100.
Find the arithmetic mean of the prime numbers between 20 and 50.
Find the arithmetic mean of squares of first five natural numbers.
The mean of 19 number is 1600.If 2000 is added in the numbers.Find the new mean.
The mean of 6 numbers is 20.If one number is deleted, their mean is 15.Find the deleted number.
The mean of 20 numbers is 9.If 3 is added to every number, what will be the mean?
If the average of 5 numbers is 10 and the average of other 5 numbers is 20.What is the combined mean of both 10 numbers?
The mean of 17 observation is 20.If the mean of the first 9 observation is 23 and that of the last 9^{th} observation.
Find the value of a, if the mean of the following data is 20.
x | 15 | 17 | 19 | 20+a | 23 |
f | 2 | 3 | 4 | 5a | 6 |
The mean of the following data is 15.What is the value of A ?
x | 5 | A+2 | 15 | 20 | 25 |
f | 6 | A | 6 | 10 | 5 |
Find the median:
64,60,70,72,68,80,85,56
Find the median:
51,53,49,51,53,50,54,56
Find the median:
47,61,13,34,56,22,8
Find the median:
16,13,10,14,11,12,15
Find the median:
85,77,60,89,91,89,78
Find the central term of the following data using formula:
10,13,15,7,9,11,13,18,16,8
Find the central term of the following data using formula:
8,15,23,14,6,8,3,16,15,18
Find the median and mode from the following data:
Wages | 35 | 45 | 55 | 65 | 75 |
No.of workers | 50 | 54 | 85 | 45 | 30 |
Find the median and mode from the following data:
Marks | 15 | 25 | 35 | 45 | 55 |
No.of student | 4 | 6 | 10 | 7 | 3 |
Find the median and mode from the following data:
x: | 2 | 3 | 4 | 5 | 6 | 7 |
f: | 3 | 8 | 10 | 12 | 16 | 14 |
Find the median of the following data.In the given data, if 37 is replaced by 73, find new median.
18,37,24,59,41,26,63,45,57,29
If mean of 11, 15, 17,x+1, 19,x-2 and 3 is 14,what is the mode?
42, 43, 44, 44, (2x+3), 45,45,46,47 are in ascending order.If the median of this data is 45, find the mode.
Find the first quartile of the following data:
40,20,30,10,16,12,8
Find the first quartile of the following data:
16,25,10,30,35,8,12
Find the first quartile of the following data:
50,40,50,60,61,70,49
Find the first quartile of the following data:
17,59,29,35,63,27,44
Find the third quartile from the given data:
50,40,55,60,61,70,49
Find the third quartile from the given data:
18,20,17,24,19,21,23
Find the first quartile from given data:
x | 10 | 15 | 20 | 25 |
f | 2 | 3 | 4 | 2 |
In an exam of 35 students: 8 students secured 25 marks,16 students secured 35 marks, 4 secured 45 marks, 4 secured 55 marks and 3 secured 65 marks and find the marks of one-fourth students.