Advertisements
Advertisements
प्रश्न
Find the mean of first five multiples of 3.
उत्तर
First five multiple of 3: 3, 6, 9,12,15
∴ Mean = `"Sum of Numbers "/"Total Numbers"`
= `(3 + 6 + 9 +12 +15) / 5`
= ` 45 / 5 = 9`
APPEARS IN
संबंधित प्रश्न
The traffic police recorded the speed (in kmlhr) of 10 motorists as 47, 53, 49, 60, 39, 42, 55,57, 52, 48. Later on an error in recording instrument was found. Find the correct overagespeed of the motorists if the instrument recorded 5 km/hr less in each case.
Find the median of the following data (1-8)
15, 6, 16, 8, 22, 21, 9, 18, 25
The algebraic sum of the deviations of a set of n values from their mean is
The mean of a, b, c, d and e is 28. If the mean of a, c, and e is 24, What is the mean of band d?
The mean salary of 20 workers is Rs.10,250. If the salary of office superintendent is added, the mean will increase by Rs.750. Find the salary of the office superintendent.
If the mean of the following data is 20.2, then find the value of p.
| xi | 10 | 15 | 20 | 25 | 30 |
| fi | 6 | 8 | p | 10 | 6 |
The mean of 25 observations is 36. Out of these observations if the mean of first 13 observations is 32 and that of the last 13 observations is 40, the 13th observation is ______.
The median of the data 78, 56, 22, 34, 45, 54, 39, 68, 54, 84 is ______.
Median of the following numbers: 4, 4, 5, 7, 6, 7, 7, 12, 3 is ______.
Mode of the data 15, 14, 19, 20, 14, 15, 16, 14, 15, 18, 14, 19, 15, 17, 15 is ______.
