Mathematics
Using the assumed mean method, calculate the mean weekly wage from the following frequency distribution :
| Weekly wages (in ₹) | Number of workers |
|---|---|
| 950 | 24 |
| 1000 | 18 |
| 1050 | 13 |
| 1100 | 15 |
| 1250 | 20 |
| 1500 | 11 |
| 1600 | 9 |
Related Questions
If the mean of the following data is 18.75, find the value of p.
xi fi 10 5 15 10 p 7 25 8 30 2 The mean age of a group of 40 students is 17.45 years. Find the missing frequencies.
Age (in years) Number of students 15 3 16 ? 17 9 18 11 19 ? 20 3 Using the step-deviation method, find the mean from the following data :
xi fi 18 170 19 320 20 530 21 700 22 230 23 140 24 110 Find the median of :
(i) 15, 6, 16, 8, 22, 21, 9, 18, 25
(ii) 10, 75, 3, 15, 9, 47, 12, 48, 4, 81, 17, 27
(iii) 55, 60, 35 ,51, 29, 63, 72, 91, 85, 82