The table below shows Salary of `280` persons. Calculate the median salary of the data.

The table below shows the salaries of 280 persons. Find the median salary of the given data

Calculate the standard deviation for the following data giving the age distribution of persons. Calculate the mean of these differences and their standard deviation.

The table below shows the results of a survey of 250 people who were asked whether they like to read and whether they play a musical instrument. According the the results, what is the probability that a randomly selected person who was surveyed likes to read, given that the person plays a musical instrument?

Consider a small unit of a factory where there are 5 employees : a supervisor and four labourers. The labourers draw a salary of Rs 5,000 per month each while the supervisor gets Rs 15,000 per month. Calculate the mean, median and mode of the salaries of this unit of the factory.

A life insurance agent found the following data for distribution of ages of 100 policy holders. Calculate the median age, if policies are only given to persons having age 18 years onwards but less than 60 years. Ag e (i n years) Number of policy holders Below 20 2 Below 25 6 Below 30 24 Below 35 45 Below 40 78 Below 45 89 Below 50 92 Below 55 98 Below 60 100

The table below shows the numbers of rows and columns in each of 5 matrices. For distinct values of k, m, and n, which of the following matrix products is NOT possible?

The figure below shows a ramp for skateboarders. The base of the ramp is 25 feet long, and it rises at a 10^@ angle. Given the trigonometric calculations in the table below, how high off the ground will a skateboarder be at the top of the ramp , rounded to the nearest 0.1 foot ?

21-22 The table above shows the annual salaries for the 24 members of a professional sports team in terms of millions of dollars. Q. If each player's salary is increased by10% which of the following statistics does not increase by 10%?