Mathematics
The following table gives the daily wages of workers in a factory :
| Daily wages (in ₹) | Number of workers |
|---|---|
| 200 - 220 | 5 |
| 220 - 240 | 20 |
| 240 - 260 | 10 |
| 260 - 280 | 10 |
| 280 - 300 | 9 |
| 300 - 320 | 6 |
| 320 - 340 | 12 |
| 340 - 360 | 8 |
Find :
(i) the mean
(ii) the modal class
(iii) the number of workers getting daily wages below ₹ 300
(iv) the number of workers getting ₹ 260 or more but less than ₹ 340 as daily wages.
Related Questions
Calculate the mean, median and mode of the following distribution:
Number Frequency 5 1 10 2 15 5 20 6 25 3 30 2 35 1 In a class of 40 students, marks obtained by the students in a class test (out of 10) are given below :
Marks Number of students 1 1 2 2 3 3 4 3 5 6 6 10 7 5 8 4 9 3 10 3 Calculate the following for the given distribution :
(i) Median
(ii) Mode
For the following frequency distribution, draw a histogram. Hence, calculate the mode.
Marks Frequency 0 - 5 10 5 - 10 14 10 - 15 28 15 - 20 42 20 - 25 50 25 - 30 30 30 - 35 14 35 - 40 12 Draw a histogram and hence estimate the mode for the following distribution.
Class Frequency 0 - 5 2 5 - 10 5 10 - 15 18 15 - 20 14 20 - 25 8 25 - 30 5