Mathematics
Related Questions
Calculate the median for the following frequency distribution :
Variate Frequency 3 3 6 4 10 2 12 8 7 13 15 10 The heart of 60 patients were examined through X-ray and the observations obtained are given below :
Diameter of heart (in mm) Number of patients 120 7 121 9 122 15 123 12 124 6 125 11 Find the median.
The following table shows the marks obtained by the students of a class in an examination.
Marks No. of students 0 - 10 15 10 - 20 32 20 - 30 55 30 - 40 35 40 - 50 13 Draw a frequency polygon.
Draw a frequency polygon to represent the following data:
Class-interval Frequency 0 - 9 9 9 - 18 15 18 - 27 6 27 - 36 12 36 - 45 18