Advertisements
Advertisements
प्रश्न
The marks of 14 students in a science test out of 50 are given below. 34, 23, 10, 45, 44, 47, 35, 37, 41, 30, 28, 32, 45, 39 Find the mean mark
Advertisements
उत्तर
Mean marks = `"Sum of all marks"/"Total number of marks"`
= `(34 + 23 + 10 + 45 + 44 + 47 + 35 + 37 + 41 + 30 + 28 + 32 + 45 + 39)/14`
= `490/14`
Mean marks = 35
APPEARS IN
संबंधित प्रश्न
Find the common difference of the A.P 3, 5, 7, ..........
Find the mean of first six multiples of 3.
If the mean of the following data is 20.2, then find the value of p
| Marks | 10 | 15 | 20 | 25 | 30 |
| No. of students | 6 | 8 | p | 10 | 6 |
The mean of first fifteen even numbers is ____________
The average of two numbers are 20. One number is 24, another number is ____________
Arithmetic mean of 15 observations was calculated as 85. In doing so an observation was wrongly taken as 73 for 28. What would be correct mean?
Mean can never be a fraction.
Calculate the Mean, Median and Mode of the following data:
5, 10, 10, 12, 13.
Are these three equal?
The mean of three numbers is 10. The mean of other four numbers is 12. Find the mean of all the numbers.
In a class of 100 students there are 70 boys whose average marks in a subject are 75. If the average marks of the complete class is 72, then what is the average of the girls?
