Question

ages Two factories (A and B) of a locality decides to get rid of workers who are older than 50 years. The
trade union prepare a table which gives the ages of employees in two factories A and B.
Age of workers
Number of workers in factories
(In years)
80-80
30-40
40-50
50-60
60-70
(i) What is the lower limit of model class for factory A?
(a) 60
(b) 50
(c) 40
(d) 70
(ii) The modal age of workers in factory A is
(a) 58.205
(b) 62.31
(c) 51.875
(d) 58.125
(iii) What is the upper limit of model class for factory B?
(a) 50
(b) 30
(c) 40
(iv) The modal age of workers in factory B is
(a) 42.48
(b) 40.17
(c) 41.79
(d) 51.36
(v) How many workers are older than 50 years in all?
(a) 213
(b) 300
(c) 181
(d) 242
104
98
40
(d) 60​

Answer 1

Step-by-step explanation:

3040

42.125

50

51.36

60