The histogram shows the age groups of working women in a city. Find the number of working women in the age group of 29−34 years.
The following histogram shows the data concerning age in years of workers in a factory.
How many workers are in the age group of 17-19?
What is the total number of American women in the age group of 60-65 years?
The mean age of a combined group of men and women is 30 years. If the means of the age of men and women are respectively 32 and 27, then the percentage of women in the group is