A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are given only to persons having age 18 years onwards but less than 60 year.

Calculate the mean deviation about median age for the age distribution of 100 persons given below :

The following graph represents the ages of 25 teachers of a school : From the bars of this histogram, we can answer the following questions : How many teachers are of age 45 years or more but less than 50 years ?

The following graph represents the ages of 25 teachers of a school : From the bars of this histogram, we can answer the following questions : How many teachers are of age less than 35 years ?

The following graph is another historam (Fig.) From the bars of this histogram, we can answer the following questions : (i) How many teachers are of age 45 years or more but less than 50 years? (ii) How many teachers are of age less than 35 years?

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained are given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: being 18-29 years of age and having exactly 3 accidents in one year.

An insurance company selected 2000 drivers at random (i.e., without any preference of one driver over another) in a particular city to find a relationship between age and accidents. The data obtained are given in the following table: Find the probabilities of the following events for a driver chosen at random from the city: being 30-50 years of age and having one or more accidents in a year.

Study the 3 representative figures of age pyramid relating to human population given below and answer the following question: How do such age-profile studies help policy makers get concerned about our growing population and prepare for future planning (say for example :for the year 2022).

The ages of 25 teachers of a school is shown through the given graph From the bars of the histogram,answer the following questions. How many teachers are of age less than 35 years ?

A piece of wood from an archaeological source has a "^14C activity which ls 60% of the activity found in fresh wood today. Calculate the age of the archaeological sample (the half life period of C-14 is 5770 years).