Question

the mean height of 25 male worker in a factory is 60cms & the mean height of 35 female workers in the same factory is 58cms find the mean height of 60 workers in the factory​

Answer 1

Answer:

The mean height of 2525 male workers in factory is 61cm61cm

∴∴  Total height of 2525 male worker =25×61=1525cm=25×61=1525cm

The mean height of 3535 female workers in factory is 58cm58cm

∴∴  Total height of 2525 female worker =35×58=2030cm=35×58=2030cm

⇒⇒  Total height of 6060 workers =1525+2030=3555cm=1525+2030=3555cm

⇒⇒  Required mean =355560=59.25cm