The following table gives the literacy rate (in percentage) of 35 cities. Find the mean literacy rate.

The following table gives the distribution of different families on education. Find mean expenditure on education of a family.

The following table gives the enrollment in higher secondary school in 1978. Find the mean enrolment per H.S. School.

The mean of the following table is 8 The value of p is

Reaction between NO_2 and CO to give CO_2 and NO takes place by the following mechanism: Write the rate expression and order of the reaction. What is the unit of rate constant ?

Reaction between NO_2 and F_2 to give NO_2F takes place by the following mechanism: Write the rate expression and order of the reaction. What is the unit of rate constant ?

The following table gives the distribution of total household expenditure (in Rs) of mannual workers in a city. Find the mean expenditure (in Rs) per household by using on approximate method. What does mean signify?

The following table shows the weight of 50 persons find the mean, median, and mode.

Explain the following terms : Mortality Rate

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: having no accidents in one year.