Mathematics
Using the information given in the adjoining histogram, calculate the mean correct to one decimal place.
Related Questions
The following table gives the duration of movies in minutes.
Duration (in minutes) No. of movies 100-110 5 110-120 10 120-130 17 130-140 8 140-150 6 150-160 4 Using step–deviation method, find the mean duration of the movies.
Shown below is a table illustrating the monthly income distribution in a company with 100 employees.
Monthly income (in ₹ 10,000) Number of employees 0-4 55 4-8 15 8-12 06 12-16 08 16-20 12 20-24 4 Using step-deviation method, find the mean monthly income of an employee.
A student scored the following marks in 11 questions of a question paper :
3, 4, 7, 2, 5, 6, 1, 8, 2, 5, 7.
Find the median marks.
For the following set of numbers, find the median :
10, 75, 3, 81, 17, 27, 4, 48, 12, 47, 9, 15.